31002302122 has 32 divisors (see below), whose sum is σ = 52386937344. Its totient is φ = 13632321600.

The previous prime is 31002302119. The next prime is 31002302159. The reversal of 31002302122 is 22120320013.

It is a super-2 number, since 2×31002302122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31002302096 and 31002302105.

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, 2293648 + ... + 2307124.

It is an arithmetic number, because the mean of its divisors is an integer number (1637091792).

Almost surely, 2^31002302122 is an apocalyptic number.

31002302122 is a deficient number, since it is larger than the sum of its proper divisors (21384635222).

31002302122 is a wasteful number, since it uses less digits than its factorization.

31002302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16894.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31002302122 its reverse (22120320013), we get a palindrome (53122622135).

The spelling of 31002302122 in words is "thirty-one billion, two million, three hundred two thousand, one hundred twenty-two".