231120013102000 has 160 divisors (see below), whose sum is σ = 611261176780800. Its totient is φ = 83821887072000.

The previous prime is 231120013101977. The next prime is 231120013102009. The reversal of 231120013102000 is 201310021132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (231120013102009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5521440 + ... + 22197439.

It is an arithmetic number, because the mean of its divisors is an integer number (3820382354880).

Almost surely, 2^{231120013102000} is an apocalyptic number.

231120013102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231120013102000 is an abundant number, since it is smaller than the sum of its proper divisors (380141163678800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231120013102000 is a wasteful number, since it uses less digits than its factorization.

231120013102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27719292 (or 27719276 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231120013102000 its reverse (201310021132), we get a palindrome (231321323123132).

The spelling of 231120013102000 in words is "two hundred thirty-one trillion, one hundred twenty billion, thirteen million, one hundred two thousand".