3151214491 has 2 divisors, whose sum is σ = 3151214492. Its totient is φ = 3151214490.

The previous prime is 3151214477. The next prime is 3151214509. The reversal of 3151214491 is 1944121513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3151214491 - 2¹¹ = 3151212443 is a prime.

It is not a weakly prime, because it can be changed into another prime (3151214461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575607245 + 1575607246.

It is an arithmetic number, because the mean of its divisors is an integer number (1575607246).

Almost surely, 2^3151214491 is an apocalyptic number.

3151214491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151214491 is an equidigital number, since it uses as much as digits as its factorization.

3151214491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 3151214491 is about 56135.6793046989. The cubic root of 3151214491 is about 1466.0855782130.

The spelling of 3151214491 in words is "three billion, one hundred fifty-one million, two hundred fourteen thousand, four hundred ninety-one".