202031311130 has 32 divisors (see below), whose sum is σ = 399570131520. Its totient is φ = 72937393920.

The previous prime is 202031311123. The next prime is 202031311171. The reversal of 202031311130 is 31113130202.

It is a junction number, because it is equal to n+sod(n) for n = 202031311099 and 202031311108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6591359 + ... + 6621938.

It is an arithmetic number, because the mean of its divisors is an integer number (12486566610).

Almost surely, 2^202031311130 is an apocalyptic number.

202031311130 is a deficient number, since it is larger than the sum of its proper divisors (197538820390).

202031311130 is a wasteful number, since it uses less digits than its factorization.

202031311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213454.

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

Adding to 202031311130 its reverse (31113130202), we get a palindrome (233144441332).

The spelling of 202031311130 in words is "two hundred two billion, thirty-one million, three hundred eleven thousand, one hundred thirty".