117131530 has 32 divisors (see below), whose sum is σ = 223820496. Its totient is φ = 43981824.

The previous prime is 117131519. The next prime is 117131533. The reversal of 117131530 is 35131711.

It can be written as a sum of positive squares in 8 ways, for example, as 54863649 + 62267881 = 7407^2 + 7891^2 .

It is not an unprimeable number, because it can be changed into a prime (117131533) 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, 94072 + ... + 95308.

Almost surely, 2^117131530 is an apocalyptic number.

117131530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117131530 is a deficient number, since it is larger than the sum of its proper divisors (106688966).

117131530 is a wasteful number, since it uses less digits than its factorization.

117131530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 117131530 is about 10822.7320949934. The cubic root of 117131530 is about 489.2805351336.

The spelling of 117131530 in words is "one hundred seventeen million, one hundred thirty-one thousand, five hundred thirty".