2972919331 has 2 divisors, whose sum is σ = 2972919332. Its totient is φ = 2972919330.

The previous prime is 2972919329. The next prime is 2972919419. The reversal of 2972919331 is 1339192792.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2972919331 - 2¹ = 2972919329 is a prime.

It is a super-2 number, since 2×2972919331² = 17676498697266975122, which contains 22 as substring.

Together with 2972919329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2972919731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486459665 + 1486459666.

It is an arithmetic number, because the mean of its divisors is an integer number (1486459666).

Almost surely, 2^2972919331 is an apocalyptic number.

2972919331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972919331 is an equidigital number, since it uses as much as digits as its factorization.

2972919331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 46.

The square root of 2972919331 is about 54524.4837756397. The cubic root of 2972919331 is about 1437.8967705865.

The spelling of 2972919331 in words is "two billion, nine hundred seventy-two million, nine hundred nineteen thousand, three hundred thirty-one".