202013311031 has 16 divisors (see below), whose sum is σ = 244963491840. Its totient is φ = 162628448640.

The previous prime is 202013311009. The next prime is 202013311037. The reversal of 202013311031 is 130113310202.

It is not a de Polignac number, because 202013311031 - 2²⁶ = 201946202167 is a prime.

It is a super-2 number, since 2×202013311031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202013311037) 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, 1715015 + ... + 1829016.

It is an arithmetic number, because the mean of its divisors is an integer number (15310218240).

Almost surely, 2^202013311031 is an apocalyptic number.

202013311031 is a deficient number, since it is larger than the sum of its proper divisors (42950180809).

202013311031 is a wasteful number, since it uses less digits than its factorization.

202013311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544534.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 202013311031 its reverse (130113310202), we get a palindrome (332126621233).

The spelling of 202013311031 in words is "two hundred two billion, thirteen million, three hundred eleven thousand, thirty-one".