[go: up one dir, main page]

Search a number
-
+
131013310 = 2513101331
BaseRepresentation
bin1111100111100…
…01101010111110
3100010112011110211
413303301222332
5232014411220
621000023034
73150411001
oct763615276
9303464424
10131013310
1167a5426a
1237a61a7a
13211b1a8c
1413585538
15b77db5a
hex7cf1abe

131013310 has 8 divisors (see below), whose sum is σ = 235823976. Its totient is φ = 52405320.

The previous prime is 131013307. The next prime is 131013317. The reversal of 131013310 is 13310131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1310133102 = 34328974794312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550656 + ... + 6550675.

It is an arithmetic number, because the mean of its divisors is an integer number (29477997).

Almost surely, 2131013310 is an apocalyptic number.

131013310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131013310 is a deficient number, since it is larger than the sum of its proper divisors (104810666).

131013310 is a wasteful number, since it uses less digits than its factorization.

131013310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101338.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131013310 is about 11446.1045775408. The cubic root of 131013310 is about 507.8925077914.

Adding to 131013310 its reverse (13310131), we get a palindrome (144323441).

The spelling of 131013310 in words is "one hundred thirty-one million, thirteen thousand, three hundred ten".

Divisors: 1 2 5 10 13101331 26202662 65506655 131013310