31141712 has 20 divisors (see below), whose sum is σ = 68956896. Its totient is φ = 13346400.

The previous prime is 31141711. The next prime is 31141751. The reversal of 31141712 is 21714113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31141711) 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, 138914 + ... + 139137.

Almost surely, 2^31141712 is an apocalyptic number.

It is an amenable number.

31141712 is an abundant number, since it is smaller than the sum of its proper divisors (37815184).

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

31141712 is a wasteful number, since it uses less digits than its factorization.

31141712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278066 (or 278060 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 31141712 is about 5580.4759653635. The cubic root of 31141712 is about 314.6160165372.

Adding to 31141712 its reverse (21714113), we get a palindrome (52855825).

The spelling of 31141712 in words is "thirty-one million, one hundred forty-one thousand, seven hundred twelve".