31004988950802 has 32 divisors (see below), whose sum is σ = 63721090240704. Its totient is φ = 10050119409600.

The previous prime is 31004988950801. The next prime is 31004988950827. The reversal of 31004988950802 is 20805988940013.

It is a happy number.

It is a super-2 number, since 2×31004988950802² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004988950801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38157349 + ... + 38961432.

It is an arithmetic number, because the mean of its divisors is an integer number (1991284070022).

Almost surely, 2^{31004988950802} is an apocalyptic number.

31004988950802 is an abundant number, since it is smaller than the sum of its proper divisors (32716101289902).

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

31004988950802 is a wasteful number, since it uses less digits than its factorization.

31004988950802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77120634.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 31004988950802 in words is "thirty-one trillion, four billion, nine hundred eighty-eight million, nine hundred fifty thousand, eight hundred two".