231331103211130 has 32 divisors (see below), whose sum is σ = 448532936587008. Its totient is φ = 85394277307200.

The previous prime is 231331103211083. The next prime is 231331103211133. The reversal of 231331103211130 is 31112301133132.

It is a junction number, because it is equal to n+sod(n) for n = 231331103211095 and 231331103211104.

It is not an unprimeable number, because it can be changed into a prime (231331103211133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210740866 + ... + 211835725.

It is an arithmetic number, because the mean of its divisors is an integer number (14016654268344).

Almost surely, 2^{231331103211130} is an apocalyptic number.

231331103211130 is a deficient number, since it is larger than the sum of its proper divisors (217201833375878).

231331103211130 is a wasteful number, since it uses less digits than its factorization.

231331103211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422580822.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 231331103211130 its reverse (31112301133132), we get a palindrome (262443404344262).

The spelling of 231331103211130 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, one hundred three million, two hundred eleven thousand, one hundred thirty".