31020200002196 has 24 divisors (see below), whose sum is σ = 58880523108456. Its totient is φ = 14241698708480.

The previous prime is 31020200002139. The next prime is 31020200002219. The reversal of 31020200002196 is 69120000202013.

It can be written as a sum of positive squares in 4 ways, for example, as 200492599696 + 30819707402500 = 447764^2 + 5551550^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563160771 + ... + 5563166346.

It is an arithmetic number, because the mean of its divisors is an integer number (2453355129519).

Almost surely, 2^{31020200002196} is an apocalyptic number.

It is an amenable number.

31020200002196 is a deficient number, since it is larger than the sum of its proper divisors (27860323106260).

31020200002196 is a wasteful number, since it uses less digits than its factorization.

31020200002196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126327179 (or 11126327177 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31020200002196 in words is "thirty-one trillion, twenty billion, two hundred million, two thousand, one hundred ninety-six".