31012233321122 has 32 divisors (see below), whose sum is σ = 48320055705600. Its totient is φ = 14911935368400.

The previous prime is 31012233321107. The next prime is 31012233321127. The reversal of 31012233321122 is 22112333221013.

It is a junction number, because it is equal to n+sod(n) for n = 31012233321091 and 31012233321100.

It is not an unprimeable number, because it can be changed into a prime (31012233321127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15375329 + ... + 17274987.

It is an arithmetic number, because the mean of its divisors is an integer number (1510001740800).

Almost surely, 2^{31012233321122} is an apocalyptic number.

31012233321122 is a deficient number, since it is larger than the sum of its proper divisors (17307822384478).

31012233321122 is a wasteful number, since it uses less digits than its factorization.

31012233321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901342.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31012233321122 its reverse (22112333221013), we get a palindrome (53124566542135).

The spelling of 31012233321122 in words is "thirty-one trillion, twelve billion, two hundred thirty-three million, three hundred twenty-one thousand, one hundred twenty-two".