231320122032102 has 16 divisors (see below), whose sum is σ = 462640393145520. Its totient is φ = 77106682497152.

The previous prime is 231320122032101. The next prime is 231320122032133. The reversal of 231320122032102 is 201230221023132.

It is a super-2 number, since 2×231320122032102² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231320122032101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32999458 + ... + 39390410.

It is an arithmetic number, because the mean of its divisors is an integer number (28915024571595).

Almost surely, 2^{231320122032102} is an apocalyptic number.

231320122032102 is an abundant number, since it is smaller than the sum of its proper divisors (231320271113418).

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

231320122032102 is a wasteful number, since it uses less digits than its factorization.

231320122032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12423447.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231320122032102 its reverse (201230221023132), we get a palindrome (432550343055234).

The spelling of 231320122032102 in words is "two hundred thirty-one trillion, three hundred twenty billion, one hundred twenty-two million, thirty-two thousand, one hundred two".