531113716 has 24 divisors (see below), whose sum is σ = 1066919616. Its totient is φ = 226614720.

The previous prime is 531113701. The next prime is 531113717. The reversal of 531113716 is 617311135.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531113717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35425 + ... + 48136.

It is an arithmetic number, because the mean of its divisors is an integer number (44454984).

Almost surely, 2^531113716 is an apocalyptic number.

It is an amenable number.

531113716 is an abundant number, since it is smaller than the sum of its proper divisors (535805900).

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

531113716 is a wasteful number, since it uses less digits than its factorization.

531113716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83799 (or 83797 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 531113716 is about 23045.9045385509. The cubic root of 531113716 is about 809.8336883564.

The spelling of 531113716 in words is "five hundred thirty-one million, one hundred thirteen thousand, seven hundred sixteen".