403112400200031 has 4 divisors (see below), whose sum is σ = 537483200266712. Its totient is φ = 268741600133352.

The previous prime is 403112400199997. The next prime is 403112400200039. The reversal of 403112400200031 is 130002004211304.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 403112400200031 - 2³⁹ = 402562644386143 is a prime.

It is a super-2 number, since 2×403112400200031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403112400199980 and 403112400200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403112400200039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67185400033336 + ... + 67185400033341.

It is an arithmetic number, because the mean of its divisors is an integer number (134370800066678).

Almost surely, 2^{403112400200031} is an apocalyptic number.

403112400200031 is a deficient number, since it is larger than the sum of its proper divisors (134370800066681).

403112400200031 is a wasteful number, since it uses less digits than its factorization.

403112400200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134370800066680.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 403112400200031 its reverse (130002004211304), we get a palindrome (533114404411335).

The spelling of 403112400200031 in words is "four hundred three trillion, one hundred twelve billion, four hundred million, two hundred thousand, thirty-one".