314131540 has 12 divisors (see below), whose sum is σ = 659676276. Its totient is φ = 125652608.

The previous prime is 314131537. The next prime is 314131549. The reversal of 314131540 is 45131413.

It can be written as a sum of positive squares in 2 ways, for example, as 103184964 + 210946576 = 10158^2 + 14524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314131549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7853269 + ... + 7853308.

It is an arithmetic number, because the mean of its divisors is an integer number (54973023).

Almost surely, 2^314131540 is an apocalyptic number.

It is an amenable number.

314131540 is an abundant number, since it is smaller than the sum of its proper divisors (345544736).

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

314131540 is a wasteful number, since it uses less digits than its factorization.

314131540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15706586 (or 15706584 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 314131540 is about 17723.7563738616. The cubic root of 314131540 is about 679.7833363943.

Adding to 314131540 its reverse (45131413), we get a palindrome (359262953).

The spelling of 314131540 in words is "three hundred fourteen million, one hundred thirty-one thousand, five hundred forty".