31004255420202 has 64 divisors (see below), whose sum is σ = 63039334043520. Its totient is φ = 10163789798400.

The previous prime is 31004255420071. The next prime is 31004255420209. The reversal of 31004255420202 is 20202455240013.

It is a super-2 number, since 2×31004255420202² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31004255420202.

It is not an unprimeable number, because it can be changed into a prime (31004255420209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370782574 + ... + 370866182.

It is an arithmetic number, because the mean of its divisors is an integer number (984989594430).

Almost surely, 2^{31004255420202} is an apocalyptic number.

31004255420202 is an abundant number, since it is smaller than the sum of its proper divisors (32035078623318).

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

31004255420202 is a wasteful number, since it uses less digits than its factorization.

31004255420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86119.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 31004255420202 in words is "thirty-one trillion, four billion, two hundred fifty-five million, four hundred twenty thousand, two hundred two".