231032320032 has 24 divisors (see below), whose sum is σ = 606459840336. Its totient is φ = 77010773312.

The previous prime is 231032320031. The next prime is 231032320033. The reversal of 231032320032 is 230023230132.

It is an interprime number because it is at equal distance from previous prime (231032320031) and next prime (231032320033).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 231032319990 and 231032320008.

It is not an unprimeable number, because it can be changed into a prime (231032320031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203293238 + ... + 1203293429.

It is an arithmetic number, because the mean of its divisors is an integer number (25269160014).

Almost surely, 2^231032320032 is an apocalyptic number.

It is an amenable number.

231032320032 is an abundant number, since it is smaller than the sum of its proper divisors (375427520304).

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

231032320032 is a wasteful number, since it uses less digits than its factorization.

231032320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406586680 (or 2406586672 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 231032320032 its reverse (230023230132), we get a palindrome (461055550164).

The spelling of 231032320032 in words is "two hundred thirty-one billion, thirty-two million, three hundred twenty thousand, thirty-two".