231500002 has 16 divisors (see below), whose sum is σ = 364333824. Its totient is φ = 110178000.

The previous prime is 231499969. The next prime is 231500023. The reversal of 231500002 is 200005132.

231500002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26824 + ... + 34387.

It is an arithmetic number, because the mean of its divisors is an integer number (22770864).

Almost surely, 2^231500002 is an apocalyptic number.

231500002 is a deficient number, since it is larger than the sum of its proper divisors (132833822).

231500002 is a wasteful number, since it uses less digits than its factorization.

231500002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61305.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 231500002 is about 15215.1241204270. The cubic root of 231500002 is about 614.0216245784.

Adding to 231500002 its reverse (200005132), we get a palindrome (431505134).

The spelling of 231500002 in words is "two hundred thirty-one million, five hundred thousand, two".