231311130332 has 6 divisors (see below), whose sum is σ = 404794478088. Its totient is φ = 115655565164.

The previous prime is 231311130331. The next prime is 231311130353. The reversal of 231311130332 is 233031113132.

It is a junction number, because it is equal to n+sod(n) for n = 231311130298 and 231311130307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311130331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28913891288 + ... + 28913891295.

It is an arithmetic number, because the mean of its divisors is an integer number (67465746348).

Almost surely, 2^231311130332 is an apocalyptic number.

It is an amenable number.

231311130332 is a deficient number, since it is larger than the sum of its proper divisors (173483347756).

231311130332 is a wasteful number, since it uses less digits than its factorization.

231311130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57827782587 (or 57827782585 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231311130332 its reverse (233031113132), we get a palindrome (464342243464).

The spelling of 231311130332 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred thirty thousand, three hundred thirty-two".