31303201013020 has 12 divisors (see below), whose sum is σ = 65736722127384. Its totient is φ = 12521280405200.

The previous prime is 31303201012987. The next prime is 31303201013057. The reversal of 31303201013020 is 2031010230313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782580025306 + ... + 782580025345.

It is an arithmetic number, because the mean of its divisors is an integer number (5478060177282).

Almost surely, 2^{31303201013020} is an apocalyptic number.

It is an amenable number.

31303201013020 is an abundant number, since it is smaller than the sum of its proper divisors (34433521114364).

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

31303201013020 is a wasteful number, since it uses less digits than its factorization.

31303201013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565160050660 (or 1565160050658 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31303201013020 its reverse (2031010230313), we get a palindrome (33334211243333).

The spelling of 31303201013020 in words is "thirty-one trillion, three hundred three billion, two hundred one million, thirteen thousand, twenty".