3121023302313 has 8 divisors (see below), whose sum is σ = 4755845032128. Its totient is φ = 1783441887024.

The previous prime is 3121023302297. The next prime is 3121023302317. The reversal of 3121023302313 is 3132033201213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121023302313 - 2⁴ = 3121023302297 is a prime.

It is a super-2 number, since 2×3121023302313² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3121023302317) 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, 74310078606 + ... + 74310078647.

It is an arithmetic number, because the mean of its divisors is an integer number (594480629016).

Almost surely, 2^{3121023302313} is an apocalyptic number.

It is an amenable number.

3121023302313 is a deficient number, since it is larger than the sum of its proper divisors (1634821729815).

3121023302313 is a wasteful number, since it uses less digits than its factorization.

3121023302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148620157263.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 3121023302313 its reverse (3132033201213), we get a palindrome (6253056503526).

The spelling of 3121023302313 in words is "three trillion, one hundred twenty-one billion, twenty-three million, three hundred two thousand, three hundred thirteen".