3107489131621 has 64 divisors (see below), whose sum is σ = 3885698252800. Its totient is φ = 2425071571200.

The previous prime is 3107489131529. The next prime is 3107489131633. The reversal of 3107489131621 is 1261319847013.

It is not a de Polignac number, because 3107489131621 - 2²³ = 3107480743013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3107489131651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 618649516 + ... + 618654538.

It is an arithmetic number, because the mean of its divisors is an integer number (60714035200).

Almost surely, 2^{3107489131621} is an apocalyptic number.

3107489131621 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3107489131621 is a deficient number, since it is larger than the sum of its proper divisors (778209121179).

3107489131621 is a wasteful number, since it uses less digits than its factorization.

3107489131621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 3107489131621 in words is "three trillion, one hundred seven billion, four hundred eighty-nine million, one hundred thirty-one thousand, six hundred twenty-one".