31201313102020 has 48 divisors (see below), whose sum is σ = 65870832384000. Its totient is φ = 12414235236480.

The previous prime is 31201313102017. The next prime is 31201313102021. The reversal of 31201313102020 is 2020131310213.

It is not an unprimeable number, because it can be changed into a prime (31201313102021) 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, 50879386 + ... + 51488974.

It is an arithmetic number, because the mean of its divisors is an integer number (1372309008000).

Almost surely, 2^{31201313102020} is an apocalyptic number.

It is an amenable number.

31201313102020 is an abundant number, since it is smaller than the sum of its proper divisors (34669519281980).

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

31201313102020 is a wasteful number, since it uses less digits than its factorization.

31201313102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623188 (or 623186 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31201313102020 its reverse (2020131310213), we get a palindrome (33221444412233).

The spelling of 31201313102020 in words is "thirty-one trillion, two hundred one billion, three hundred thirteen million, one hundred two thousand, twenty".