231002331000 has 128 divisors (see below), whose sum is σ = 823688386560. Its totient is φ = 52800528000.

The previous prime is 231002330963. The next prime is 231002331013. The reversal of 231002331000 is 133200132.

It is a super-2 number, since 2×231002331000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5479056 + ... + 5521055.

It is an arithmetic number, because the mean of its divisors is an integer number (6435065520).

Almost surely, 2^231002331000 is an apocalyptic number.

231002331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231002331000 is an abundant number, since it is smaller than the sum of its proper divisors (592686055560).

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

231002331000 is a wasteful number, since it uses less digits than its factorization.

231002331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000142 (or 11000128 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 231002331000 its reverse (133200132), we get a palindrome (231135531132).

The spelling of 231002331000 in words is "two hundred thirty-one billion, two million, three hundred thirty-one thousand".