31020010321102 has 12 divisors (see below), whose sum is σ = 51144562471968. Its totient is φ = 14100004691300.

The previous prime is 31020010321073. The next prime is 31020010321121. The reversal of 31020010321102 is 20112301002013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64090930174 + ... + 64090930657.

It is an arithmetic number, because the mean of its divisors is an integer number (4262046872664).

Almost surely, 2^{31020010321102} is an apocalyptic number.

31020010321102 is a deficient number, since it is larger than the sum of its proper divisors (20124552150866).

31020010321102 is a wasteful number, since it uses less digits than its factorization.

31020010321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128181860855 (or 128181860844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31020010321102 its reverse (20112301002013), we get a palindrome (51132311323115).

The spelling of 31020010321102 in words is "thirty-one trillion, twenty billion, ten million, three hundred twenty-one thousand, one hundred two".