164280347831 has 2 divisors, whose sum is σ = 164280347832. Its totient is φ = 164280347830.

The previous prime is 164280347813. The next prime is 164280347839. The reversal of 164280347831 is 138743082461.

Together with previous prime (164280347813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164280347831 - 2²² = 164276153527 is a prime.

It is a super-2 number, since 2×164280347831² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164280347839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82140173915 + 82140173916.

It is an arithmetic number, because the mean of its divisors is an integer number (82140173916).

Almost surely, 2^164280347831 is an apocalyptic number.

164280347831 is a deficient number, since it is larger than the sum of its proper divisors (1).

164280347831 is an equidigital number, since it uses as much as digits as its factorization.

164280347831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 164280347831 in words is "one hundred sixty-four billion, two hundred eighty million, three hundred forty-seven thousand, eight hundred thirty-one".