203113012432 has 80 divisors (see below), whose sum is σ = 440522947584. Its totient is φ = 89930736000.

The previous prime is 203113012307. The next prime is 203113012483. The reversal of 203113012432 is 234210311302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 1687207 + ... + 1803577.

Almost surely, 2^203113012432 is an apocalyptic number.

203113012432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203113012432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220261473792).

203113012432 is an abundant number, since it is smaller than the sum of its proper divisors (237409935152).

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

203113012432 is a wasteful number, since it uses less digits than its factorization.

203113012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116648 (or 116642 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 203113012432 its reverse (234210311302), we get a palindrome (437323323734).

The spelling of 203113012432 in words is "two hundred three billion, one hundred thirteen million, twelve thousand, four hundred thirty-two".