31611604141 has 16 divisors (see below), whose sum is σ = 35841355200. Its totient is φ = 27639266688.

The previous prime is 31611604139. The next prime is 31611604259. The reversal of 31611604141 is 14140611613.

It is a cyclic number.

It is not a de Polignac number, because 31611604141 - 2¹ = 31611604139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31611604121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2705985 + ... + 2717641.

It is an arithmetic number, because the mean of its divisors is an integer number (2240084700).

Almost surely, 2^31611604141 is an apocalyptic number.

It is an amenable number.

31611604141 is a deficient number, since it is larger than the sum of its proper divisors (4229751059).

31611604141 is a wasteful number, since it uses less digits than its factorization.

31611604141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22668.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 31611604141 in words is "thirty-one billion, six hundred eleven million, six hundred four thousand, one hundred forty-one".