31460091 has 16 divisors (see below), whose sum is σ = 45749760. Its totient is φ = 19113120.

The previous prime is 31460063. The next prime is 31460129. The reversal of 31460091 is 19006413.

It is not a de Polignac number, because 31460091 - 2⁷ = 31459963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31460291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (2859360).

Almost surely, 2^31460091 is an apocalyptic number.

31460091 is a deficient number, since it is larger than the sum of its proper divisors (14289669).

31460091 is a wasteful number, since it uses less digits than its factorization.

31460091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 31460091 is about 5608.9295770227. The cubic root of 31460091 is about 315.6845480692.

The spelling of 31460091 in words is "thirty-one million, four hundred sixty thousand, ninety-one".