105720295831 has 2 divisors, whose sum is σ = 105720295832. Its totient is φ = 105720295830.

The previous prime is 105720295801. The next prime is 105720295853. The reversal of 105720295831 is 138592027501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105720295831 - 2⁹ = 105720295319 is a prime.

It is a super-2 number, since 2×105720295831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105720295801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52860147915 + 52860147916.

It is an arithmetic number, because the mean of its divisors is an integer number (52860147916).

Almost surely, 2^105720295831 is an apocalyptic number.

105720295831 is a deficient number, since it is larger than the sum of its proper divisors (1).

105720295831 is an equidigital number, since it uses as much as digits as its factorization.

105720295831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 105720295831 in words is "one hundred five billion, seven hundred twenty million, two hundred ninety-five thousand, eight hundred thirty-one".