20212312331308 has 6 divisors (see below), whose sum is σ = 35371546579796. Its totient is φ = 10106156165652.

The previous prime is 20212312331269. The next prime is 20212312331359. The reversal of 20212312331308 is 80313321321202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212312331308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526539041410 + ... + 2526539041417.

Almost surely, 2^{20212312331308} is an apocalyptic number.

It is an amenable number.

20212312331308 is a deficient number, since it is larger than the sum of its proper divisors (15159234248488).

20212312331308 is a wasteful number, since it uses less digits than its factorization.

20212312331308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053078082831 (or 5053078082829 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20212312331308 in words is "twenty trillion, two hundred twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred eight".