202311011312 has 20 divisors (see below), whose sum is σ = 396700208520. Its totient is φ = 99936763968.

The previous prime is 202311011299. The next prime is 202311011317. The reversal of 202311011312 is 213110113202.

It is a super-2 number, since 2×202311011312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202311011317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76169987 + ... + 76172642.

It is an arithmetic number, because the mean of its divisors is an integer number (19835010426).

Almost surely, 2^202311011312 is an apocalyptic number.

It is an amenable number.

202311011312 is a deficient number, since it is larger than the sum of its proper divisors (194389197208).

202311011312 is a wasteful number, since it uses less digits than its factorization.

202311011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152342720 (or 152342714 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 202311011312 its reverse (213110113202), we get a palindrome (415421124514).

The spelling of 202311011312 in words is "two hundred two billion, three hundred eleven million, eleven thousand, three hundred twelve".