1231311310132 has 12 divisors (see below), whose sum is σ = 2268205045120. Its totient is φ = 583252725816.

The previous prime is 1231311310127. The next prime is 1231311310147. The reversal of 1231311310132 is 2310131131321.

It is a super-2 number, since 2×1231311310132² (a number of 25 digits) 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 3 ways as a sum of consecutive naturals, for example, 8100732228 + ... + 8100732379.

Almost surely, 2^{1231311310132} is an apocalyptic number.

It is an amenable number.

1231311310132 is a deficient number, since it is larger than the sum of its proper divisors (1036893734988).

1231311310132 is a wasteful number, since it uses less digits than its factorization.

1231311310132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16201464630 (or 16201464628 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1231311310132 its reverse (2310131131321), we get a palindrome (3541442441453).

The spelling of 1231311310132 in words is "one trillion, two hundred thirty-one billion, three hundred eleven million, three hundred ten thousand, one hundred thirty-two".