31040103422 has 16 divisors (see below), whose sum is σ = 48632261760. Its totient is φ = 14830675992.

The previous prime is 31040103403. The next prime is 31040103427. The reversal of 31040103422 is 22430104013.

It is a super-2 number, since 2×31040103422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31040103394 and 31040103403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040103427) 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, 284228 + ... + 377975.

It is an arithmetic number, because the mean of its divisors is an integer number (3039516360).

Almost surely, 2^31040103422 is an apocalyptic number.

31040103422 is a deficient number, since it is larger than the sum of its proper divisors (17592158338).

31040103422 is a wasteful number, since it uses less digits than its factorization.

31040103422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663247.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31040103422 its reverse (22430104013), we get a palindrome (53470207435).

The spelling of 31040103422 in words is "thirty-one billion, forty million, one hundred three thousand, four hundred twenty-two".