31013232330100 has 36 divisors (see below), whose sum is σ = 67302298525644. Its totient is φ = 12404632218880.

The previous prime is 31013232330083. The next prime is 31013232330121. The reversal of 31013232330100 is 103323231013.

It can be written as a sum of positive squares in 6 ways, for example, as 78322739044 + 30934909591056 = 279862^2 + 5561916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6369817 + ... + 10129216.

It is an arithmetic number, because the mean of its divisors is an integer number (1869508292379).

Almost surely, 2^{31013232330100} is an apocalyptic number.

It is an amenable number.

31013232330100 is an abundant number, since it is smaller than the sum of its proper divisors (36289066195544).

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

31013232330100 is a wasteful number, since it uses less digits than its factorization.

31013232330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16517844 (or 16517837 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31013232330100 its reverse (103323231013), we get a palindrome (31116555561113).

The spelling of 31013232330100 in words is "thirty-one trillion, thirteen billion, two hundred thirty-two million, three hundred thirty thousand, one hundred".