231012020002 has 8 divisors (see below), whose sum is σ = 346657931676. Its totient is φ = 115459376112.

The previous prime is 231012019961. The next prime is 231012020009. The reversal of 231012020002 is 200020210132.

It can be written as a sum of positive squares in 2 ways, for example, as 210992316921 + 20019703081 = 459339^2 + 141491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231012020009) 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, 23310753 + ... + 23320660.

Almost surely, 2^231012020002 is an apocalyptic number.

231012020002 is a deficient number, since it is larger than the sum of its proper divisors (115645911674).

231012020002 is a wasteful number, since it uses less digits than its factorization.

231012020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46633892.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 231012020002 its reverse (200020210132), we get a palindrome (431032230134).

The spelling of 231012020002 in words is "two hundred thirty-one billion, twelve million, twenty thousand, two".