3121045310636 has 24 divisors (see below), whose sum is σ = 5961142388880. Its totient is φ = 1417994302400.

The previous prime is 3121045310633. The next prime is 3121045310657. The reversal of 3121045310636 is 6360135401213.

It is a junction number, because it is equal to n+sod(n) for n = 3121045310596 and 3121045310605.

It is not an unprimeable number, because it can be changed into a prime (3121045310633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16471151 + ... + 16659558.

It is an arithmetic number, because the mean of its divisors is an integer number (248380932870).

Almost surely, 2^{3121045310636} is an apocalyptic number.

It is an amenable number.

3121045310636 is a deficient number, since it is larger than the sum of its proper divisors (2840097078244).

3121045310636 is a wasteful number, since it uses less digits than its factorization.

3121045310636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33132865 (or 33132863 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 3121045310636 in words is "three trillion, one hundred twenty-one billion, forty-five million, three hundred ten thousand, six hundred thirty-six".