3121274897 has 16 divisors (see below), whose sum is σ = 3563599872. Its totient is φ = 2712864960.

The previous prime is 3121274873. The next prime is 3121274899. The reversal of 3121274897 is 7984721213.

It is not a de Polignac number, because 3121274897 - 2¹⁴ = 3121258513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121274899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89753 + ... + 119574.

It is an arithmetic number, because the mean of its divisors is an integer number (222724992).

Almost surely, 2^3121274897 is an apocalyptic number.

3121274897 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3121274897 is a deficient number, since it is larger than the sum of its proper divisors (442324975).

3121274897 is a wasteful number, since it uses less digits than its factorization.

3121274897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209408.

The product of its digits is 169344, while the sum is 44.

The square root of 3121274897 is about 55868.3711683095. The cubic root of 3121274897 is about 1461.4277172079.

The spelling of 3121274897 in words is "three billion, one hundred twenty-one million, two hundred seventy-four thousand, eight hundred ninety-seven".