31000233122 has 16 divisors (see below), whose sum is σ = 47587670592. Its totient is φ = 15137766000.

The previous prime is 31000233041. The next prime is 31000233133. The reversal of 31000233122 is 22133200013.

It is a super-2 number, since 2×31000233122² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31000233122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885923 + ... + 920249.

It is an arithmetic number, because the mean of its divisors is an integer number (2974229412).

Almost surely, 2^31000233122 is an apocalyptic number.

31000233122 is a deficient number, since it is larger than the sum of its proper divisors (16587437470).

31000233122 is a wasteful number, since it uses less digits than its factorization.

31000233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44873.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31000233122 its reverse (22133200013), we get a palindrome (53133433135).

The spelling of 31000233122 in words is "thirty-one billion, two hundred thirty-three thousand, one hundred twenty-two".