31020000100102 has 32 divisors (see below), whose sum is σ = 50149305541440. Its totient is φ = 14305474834560.

The previous prime is 31020000100073. The next prime is 31020000100139. The reversal of 31020000100102 is 20100100002013.

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, 662047308 + ... + 662094160.

It is an arithmetic number, because the mean of its divisors is an integer number (1567165798170).

Almost surely, 2^{31020000100102} is an apocalyptic number.

31020000100102 is a deficient number, since it is larger than the sum of its proper divisors (19129305441338).

31020000100102 is a wasteful number, since it uses less digits than its factorization.

31020000100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66688.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 31020000100102 its reverse (20100100002013), we get a palindrome (51120100102115).

The spelling of 31020000100102 in words is "thirty-one trillion, twenty billion, one hundred thousand, one hundred two".