106249831 has 2 divisors, whose sum is σ = 106249832. Its totient is φ = 106249830.

The previous prime is 106249807. The next prime is 106249837. The reversal of 106249831 is 138942601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106249831 - 2⁵ = 106249799 is a prime.

It is a super-2 number, since 2×106249831² = 22578053175057122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106249837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53124915 + 53124916.

It is an arithmetic number, because the mean of its divisors is an integer number (53124916).

Almost surely, 2^106249831 is an apocalyptic number.

106249831 is a deficient number, since it is larger than the sum of its proper divisors (1).

106249831 is an equidigital number, since it uses as much as digits as its factorization.

106249831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 106249831 is about 10307.7558663368. The cubic root of 106249831 is about 473.6338674739.

The spelling of 106249831 in words is "one hundred six million, two hundred forty-nine thousand, eight hundred thirty-one".