31030233012102 has 32 divisors (see below), whose sum is σ = 62507911818240. Its totient is φ = 10268839009440.

The previous prime is 31030233012083. The next prime is 31030233012143. The reversal of 31030233012102 is 20121033203013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61584352 + ... + 62086172.

It is an arithmetic number, because the mean of its divisors is an integer number (1953372244320).

Almost surely, 2^{31030233012102} is an apocalyptic number.

31030233012102 is an abundant number, since it is smaller than the sum of its proper divisors (31477678806138).

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

31030233012102 is a wasteful number, since it uses less digits than its factorization.

31030233012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576108.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31030233012102 its reverse (20121033203013), we get a palindrome (51151266215115).

The spelling of 31030233012102 in words is "thirty-one trillion, thirty billion, two hundred thirty-three million, twelve thousand, one hundred two".