231210000002 has 8 divisors (see below), whose sum is σ = 351565890636. Its totient is φ = 114021369792.

The previous prime is 231209999903. The next prime is 231210000017. The reversal of 231210000002 is 200000012132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224182363441 + 7027636561 = 473479^2 + 83831^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791814923 + ... + 791815214.

Almost surely, 2^231210000002 is an apocalyptic number.

231210000002 is a deficient number, since it is larger than the sum of its proper divisors (120355890634).

231210000002 is a wasteful number, since it uses less digits than its factorization.

231210000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583630212.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 231210000002 its reverse (200000012132), we get a palindrome (431210012134).

The spelling of 231210000002 in words is "two hundred thirty-one billion, two hundred ten million, two", and thus it is an aban number.