31141056 has 56 divisors (see below), whose sum is σ = 82858864. Its totient is φ = 10321920.

The previous prime is 31141007. The next prime is 31141067. The reversal of 31141056 is 65014113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45936 + ... + 46608.

Almost surely, 2^31141056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31141056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41429432).

31141056 is an abundant number, since it is smaller than the sum of its proper divisors (51717808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31141056 is a wasteful number, since it uses less digits than its factorization.

31141056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 31141056 is about 5580.4171887055. The cubic root of 31141056 is about 314.6138073934.

Adding to 31141056 its reverse (65014113), we get a palindrome (96155169).

The spelling of 31141056 in words is "thirty-one million, one hundred forty-one thousand, fifty-six".