203113212031 has 8 divisors (see below), whose sum is σ = 203417648000. Its totient is φ = 202809006360.

The previous prime is 203113212019. The next prime is 203113212077. The reversal of 203113212031 is 130212311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203113212031 - 2¹⁷ = 203113080959 is a prime.

It is a super-2 number, since 2×203113212031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113218031) 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, 1749880 + ... + 1862338.

It is an arithmetic number, because the mean of its divisors is an integer number (25427206000).

Almost surely, 2^203113212031 is an apocalyptic number.

203113212031 is a deficient number, since it is larger than the sum of its proper divisors (304435969).

203113212031 is a wasteful number, since it uses less digits than its factorization.

203113212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115149.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203113212031 its reverse (130212311302), we get a palindrome (333325523333).

The spelling of 203113212031 in words is "two hundred three billion, one hundred thirteen million, two hundred twelve thousand, thirty-one".