313101040224021 has 24 divisors (see below), whose sum is σ = 485644618395360. Its totient is φ = 178908058742112.

The previous prime is 313101040224017. The next prime is 313101040224073. The reversal of 313101040224021 is 120422040101313.

It is not a de Polignac number, because 313101040224021 - 2² = 313101040224017 is a prime.

It is a super-2 number, since 2×313101040224021² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313101040223982 and 313101040224000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313101040204021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36733531 + ... + 44447208.

It is an arithmetic number, because the mean of its divisors is an integer number (20235192433140).

Almost surely, 2^{313101040224021} is an apocalyptic number.

It is an amenable number.

313101040224021 is a deficient number, since it is larger than the sum of its proper divisors (172543578171339).

313101040224021 is a wasteful number, since it uses less digits than its factorization.

313101040224021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81206993 (or 81206986 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 313101040224021 its reverse (120422040101313), we get a palindrome (433523080325334).

The spelling of 313101040224021 in words is "three hundred thirteen trillion, one hundred one billion, forty million, two hundred twenty-four thousand, twenty-one".