31200100431122 has 64 divisors (see below), whose sum is σ = 53825067129600. Its totient is φ = 13286940226560.

The previous prime is 31200100431109. The next prime is 31200100431167. The reversal of 31200100431122 is 22113400100213.

It is a junction number, because it is equal to n+sod(n) for n = 31200100431094 and 31200100431103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3701514404 + ... + 3701522832.

It is an arithmetic number, because the mean of its divisors is an integer number (841016673900).

Almost surely, 2^{31200100431122} is an apocalyptic number.

31200100431122 is a deficient number, since it is larger than the sum of its proper divisors (22624966698478).

31200100431122 is a wasteful number, since it uses less digits than its factorization.

31200100431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31200100431122 its reverse (22113400100213), we get a palindrome (53313500531335).

The spelling of 31200100431122 in words is "thirty-one trillion, two hundred billion, one hundred million, four hundred thirty-one thousand, one hundred twenty-two".