203113233102 has 32 divisors (see below), whose sum is σ = 443636282880. Its totient is φ = 61616147040.

The previous prime is 203113233101. The next prime is 203113233133. The reversal of 203113233102 is 201332311302.

It is a super-2 number, since 2×203113233102² (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 (203113233101) 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, 18332602 + ... + 18343677.

It is an arithmetic number, because the mean of its divisors is an integer number (13863633840).

Almost surely, 2^203113233102 is an apocalyptic number.

203113233102 is an abundant number, since it is smaller than the sum of its proper divisors (240523049778).

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

203113233102 is a wasteful number, since it uses less digits than its factorization.

203113233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36676368.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203113233102 its reverse (201332311302), we get a palindrome (404445544404).

The spelling of 203113233102 in words is "two hundred three billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred two".