231070632 has 64 divisors (see below), whose sum is σ = 624550080. Its totient is φ = 70820352.

The previous prime is 231070607. The next prime is 231070633. The reversal of 231070632 is 236070132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (231070633) 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, 86988 + ... + 89604.

It is an arithmetic number, because the mean of its divisors is an integer number (9758595).

Almost surely, 2^231070632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231070632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312275040).

231070632 is an abundant number, since it is smaller than the sum of its proper divisors (393479448).

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

231070632 is a wasteful number, since it uses less digits than its factorization.

231070632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 231070632 is about 15201.0075981824. The cubic root of 231070632 is about 613.6417748649.

The spelling of 231070632 in words is "two hundred thirty-one million, seventy thousand, six hundred thirty-two".