203320111013031 has 8 divisors (see below), whose sum is σ = 271320718137840. Its totient is φ = 135433122281792.

The previous prime is 203320111013017. The next prime is 203320111013099. The reversal of 203320111013031 is 130310111023302.

It is a happy number.

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 203320111013031 - 2⁵ = 203320111012999 is a prime.

It is a super-2 number, since 2×203320111013031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203320111012989 and 203320111013007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203320111093031) 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, 28404594216 + ... + 28404601373.

It is an arithmetic number, because the mean of its divisors is an integer number (33915089767230).

Almost surely, 2^{203320111013031} is an apocalyptic number.

203320111013031 is a deficient number, since it is larger than the sum of its proper divisors (68000607124809).

203320111013031 is a wasteful number, since it uses less digits than its factorization.

203320111013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56809196785.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 203320111013031 its reverse (130310111023302), we get a palindrome (333630222036333).

The spelling of 203320111013031 in words is "two hundred three trillion, three hundred twenty billion, one hundred eleven million, thirteen thousand, thirty-one".