31030331133122 has 32 divisors (see below), whose sum is σ = 50380938989424. Its totient is φ = 14280099379200.

The previous prime is 31030331133091. The next prime is 31030331133187. The reversal of 31030331133122 is 22133113303013.

It can be written as a sum of positive squares in 8 ways, for example, as 23797625514961 + 7232705618161 = 4878281^2 + 2689369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31030331133091 and 31030331133100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42882779 + ... + 43600382.

Almost surely, 2^{31030331133122} is an apocalyptic number.

31030331133122 is a deficient number, since it is larger than the sum of its proper divisors (19350607856302).

31030331133122 is a wasteful number, since it uses less digits than its factorization.

31030331133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86483414.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31030331133122 its reverse (22133113303013), we get a palindrome (53163444436135).

The spelling of 31030331133122 in words is "thirty-one trillion, thirty billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty-two".