31094641 has 4 divisors (see below), whose sum is σ = 32166900. Its totient is φ = 30022384.

The previous prime is 31094603. The next prime is 31094647. The reversal of 31094641 is 14649013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14649013 = 41 ⋅357293.

It can be written as a sum of positive squares in 2 ways, for example, as 7290000 + 23804641 = 2700^2 + 4879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31094641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31094647) 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, 536086 + ... + 536143.

It is an arithmetic number, because the mean of its divisors is an integer number (8041725).

Almost surely, 2^31094641 is an apocalyptic number.

It is an amenable number.

31094641 is a deficient number, since it is larger than the sum of its proper divisors (1072259).

31094641 is a wasteful number, since it uses less digits than its factorization.

31094641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072258.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31094641 is about 5576.2568986732. The cubic root of 31094641 is about 314.4574215500.

It can be divided in two parts, 3109 and 4641, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 31094641 in words is "thirty-one million, ninety-four thousand, six hundred forty-one".