3200400022031 has 4 divisors (see below), whose sum is σ = 3232087151064. Its totient is φ = 3168712893000.

The previous prime is 3200400021977. The next prime is 3200400022033. The reversal of 3200400022031 is 1302200040023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3200400022031 is a prime.

It is a super-2 number, since 2×3200400022031² (a number of 26 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 (3200400022033) 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, 15843564365 + ... + 15843564566.

It is an arithmetic number, because the mean of its divisors is an integer number (808021787766).

Almost surely, 2^{3200400022031} is an apocalyptic number.

3200400022031 is a deficient number, since it is larger than the sum of its proper divisors (31687129033).

3200400022031 is a wasteful number, since it uses less digits than its factorization.

3200400022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31687129032.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 3200400022031 its reverse (1302200040023), we get a palindrome (4502600062054).

The spelling of 3200400022031 in words is "three trillion, two hundred billion, four hundred million, twenty-two thousand, thirty-one".