1912164031 has 2 divisors, whose sum is σ = 1912164032. Its totient is φ = 1912164030.

The previous prime is 1912164013. The next prime is 1912164077. The reversal of 1912164031 is 1304612191.

Together with previous prime (1912164013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1912164031 - 2⁵ = 1912163999 is a prime.

It is a super-2 number, since 2×1912164031² = 7312742562900337922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912164431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956082015 + 956082016.

It is an arithmetic number, because the mean of its divisors is an integer number (956082016).

Almost surely, 2^1912164031 is an apocalyptic number.

1912164031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912164031 is an equidigital number, since it uses as much as digits as its factorization.

1912164031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1912164031 is about 43728.2978287516. The cubic root of 1912164031 is about 1241.1998512402.

The spelling of 1912164031 in words is "one billion, nine hundred twelve million, one hundred sixty-four thousand, thirty-one".