131030740 has 24 divisors (see below), whose sum is σ = 279830880. Its totient is φ = 51523488.

The previous prime is 131030737. The next prime is 131030771. The reversal of 131030740 is 47030131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54342 + ... + 56701.

It is an arithmetic number, because the mean of its divisors is an integer number (11659620).

Almost surely, 2^131030740 is an apocalyptic number.

131030740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131030740 is an abundant number, since it is smaller than the sum of its proper divisors (148800140).

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

131030740 is a wasteful number, since it uses less digits than its factorization.

131030740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111 (or 111109 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 131030740 is about 11446.8659466249. The cubic root of 131030740 is about 507.9150301185.

Adding to 131030740 its reverse (47030131), we get a palindrome (178060871).

The spelling of 131030740 in words is "one hundred thirty-one million, thirty thousand, seven hundred forty".