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1312314111 = 321091337731
BaseRepresentation
bin100111000111000…
…0101001011111111
310101110100110112100
41032032011023333
510141423022421
6334115240143
744343325443
oct11616051377
93343313470
101312314111
11613849019
123075a9053
1317bb59c34
14c6408823
157a323c26
hex4e3852ff

1312314111 has 12 divisors (see below), whose sum is σ = 1912956760. Its totient is φ = 866849040.

The previous prime is 1312314071. The next prime is 1312314127. The reversal of 1312314111 is 1114132131.

It is a happy number.

It is not a de Polignac number, because 1312314111 - 211 = 1312312063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312314181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667885 + ... + 669846.

Almost surely, 21312314111 is an apocalyptic number.

1312314111 is a deficient number, since it is larger than the sum of its proper divisors (600642649).

1312314111 is a wasteful number, since it uses less digits than its factorization.

1312314111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337846 (or 1337843 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1312314111 is about 36225.8762626938. The cubic root of 1312314111 is about 1094.8280933612.

Adding to 1312314111 its reverse (1114132131), we get a palindrome (2426446242).

The spelling of 1312314111 in words is "one billion, three hundred twelve million, three hundred fourteen thousand, one hundred eleven".

Divisors: 1 3 9 109 327 981 1337731 4013193 12039579 145812679 437438037 1312314111