31114680 has 64 divisors (see below), whose sum is σ = 96573600. Its totient is φ = 8010240.

The previous prime is 31114679. The next prime is 31114687. The reversal of 31114680 is 8641113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 31114680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31114687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991 + ... + 7950.

Almost surely, 2^31114680 is an apocalyptic number.

31114680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31114680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48286800).

31114680 is an abundant number, since it is smaller than the sum of its proper divisors (65458920).

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

31114680 is a wasteful number, since it uses less digits than its factorization.

31114680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984 (or 8980 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 31114680 is about 5578.0534239105. The cubic root of 31114680 is about 314.5249579367.

Adding to 31114680 its reverse (8641113), we get a palindrome (39755793).

The spelling of 31114680 in words is "thirty-one million, one hundred fourteen thousand, six hundred eighty".