531311130 has 64 divisors (see below), whose sum is σ = 1619239680. Its totient is φ = 121442112.

The previous prime is 531311119. The next prime is 531311141. The reversal of 531311130 is 31113135.

531311130 is a `hidden beast` number, since 531 + 3 + 1 + 1 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (531311119) and next prime (531311141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138669 + ... + 142448.

It is an arithmetic number, because the mean of its divisors is an integer number (25300620).

Almost surely, 2^531311130 is an apocalyptic number.

531311130 is an abundant number, since it is smaller than the sum of its proper divisors (1087928550).

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

531311130 is a wasteful number, since it uses less digits than its factorization.

531311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281140 (or 281134 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 531311130 is about 23050.1872009752. The cubic root of 531311130 is about 809.9340138290.

Adding to 531311130 its reverse (31113135), we get a palindrome (562424265).

It can be divided in two parts, 531311 and 130, that added together give a 12-th power (531441 = 3¹²).

The spelling of 531311130 in words is "five hundred thirty-one million, three hundred eleven thousand, one hundred thirty".