203113000240 has 40 divisors (see below), whose sum is σ = 488521790640. Its totient is φ = 78443640576.

The previous prime is 203113000229. The next prime is 203113000241. The reversal of 203113000240 is 42000311302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×203113000240³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (203113000241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43772034 + ... + 43776673.

It is an arithmetic number, because the mean of its divisors is an integer number (12213044766).

Almost surely, 2^203113000240 is an apocalyptic number.

203113000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203113000240 is an abundant number, since it is smaller than the sum of its proper divisors (285408790400).

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

203113000240 is a wasteful number, since it uses less digits than its factorization.

203113000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87548749 (or 87548743 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203113000240 its reverse (42000311302), we get a palindrome (245113311542).

The spelling of 203113000240 in words is "two hundred three billion, one hundred thirteen million, two hundred forty", and thus it is an aban number.