31874141 has 4 divisors (see below), whose sum is σ = 34326012. Its totient is φ = 29422272.

The previous prime is 31874093. The next prime is 31874149. The reversal of 31874141 is 14147813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 25351225 = 2554^2 + 5035^2 .

It is a cyclic number.

It is not a de Polignac number, because 31874141 - 2¹⁸ = 31611997 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 (31874149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225916 + ... + 1225941.

It is an arithmetic number, because the mean of its divisors is an integer number (8581503).

Almost surely, 2^31874141 is an apocalyptic number.

It is an amenable number.

31874141 is a deficient number, since it is larger than the sum of its proper divisors (2451871).

31874141 is a wasteful number, since it uses less digits than its factorization.

31874141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451870.

The product of its digits is 2688, while the sum is 29.

The square root of 31874141 is about 5645.7188204869. The cubic root of 31874141 is about 317.0634370352.

The spelling of 31874141 in words is "thirty-one million, eight hundred seventy-four thousand, one hundred forty-one".