1231301134 has 16 divisors (see below), whose sum is σ = 2124972000. Its totient is φ = 524157984.

The previous prime is 1231301119. The next prime is 1231301209. The reversal of 1231301134 is 4311031321.

It is a super-2 number, since 2×1231301134² = 3032204965179371912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293049 + ... + 297220.

It is an arithmetic number, because the mean of its divisors is an integer number (132810750).

Almost surely, 2^1231301134 is an apocalyptic number.

1231301134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1231301134 is a deficient number, since it is larger than the sum of its proper divisors (893670866).

1231301134 is a wasteful number, since it uses less digits than its factorization.

1231301134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590427.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1231301134 is about 35089.9007408115. The cubic root of 1231301134 is about 1071.8189383582.

Adding to 1231301134 its reverse (4311031321), we get a palindrome (5542332455).

The spelling of 1231301134 in words is "one billion, two hundred thirty-one million, three hundred one thousand, one hundred thirty-four".