1996133731 has 2 divisors, whose sum is σ = 1996133732. Its totient is φ = 1996133730.

The previous prime is 1996133669. The next prime is 1996133759. The reversal of 1996133731 is 1373316991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996133731 - 2⁷ = 1996133603 is a prime.

It is a super-2 number, since 2×1996133731² = 7969099744071960722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1996136731) 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 as a sum of consecutive naturals, namely, 998066865 + 998066866.

It is an arithmetic number, because the mean of its divisors is an integer number (998066866).

Almost surely, 2^1996133731 is an apocalyptic number.

1996133731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996133731 is an equidigital number, since it uses as much as digits as its factorization.

1996133731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 43.

The square root of 1996133731 is about 44678.1124377474. The cubic root of 1996133731 is about 1259.1086605676.

The spelling of 1996133731 in words is "one billion, nine hundred ninety-six million, one hundred thirty-three thousand, seven hundred thirty-one".