29996772931 has 2 divisors, whose sum is σ = 29996772932. Its totient is φ = 29996772930.

The previous prime is 29996772877. The next prime is 29996772961. The reversal of 29996772931 is 13927769992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29996772931 - 2¹¹ = 29996770883 is a prime.

It is a super-2 number, since 2×29996772931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29996772961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998386465 + 14998386466.

It is an arithmetic number, because the mean of its divisors is an integer number (14998386466).

Almost surely, 2^29996772931 is an apocalyptic number.

29996772931 is a deficient number, since it is larger than the sum of its proper divisors (1).

29996772931 is an equidigital number, since it uses as much as digits as its factorization.

29996772931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23147208, while the sum is 64.

The spelling of 29996772931 in words is "twenty-nine billion, nine hundred ninety-six million, seven hundred seventy-two thousand, nine hundred thirty-one".