3131540430 has 16 divisors (see below), whose sum is σ = 7515697104. Its totient is φ = 835077440.

The previous prime is 3131540417. The next prime is 3131540441. The reversal of 3131540430 is 340451313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131540430.

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, 52192311 + ... + 52192370.

It is an arithmetic number, because the mean of its divisors is an integer number (469731069).

Almost surely, 2^3131540430 is an apocalyptic number.

3131540430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3131540430 is an abundant number, since it is smaller than the sum of its proper divisors (4384156674).

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

3131540430 is a wasteful number, since it uses less digits than its factorization.

3131540430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104384691.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3131540430 is about 55960.1682449222. The cubic root of 3131540430 is about 1463.0281228032.

Adding to 3131540430 its reverse (340451313), we get a palindrome (3471991743).

The spelling of 3131540430 in words is "three billion, one hundred thirty-one million, five hundred forty thousand, four hundred thirty".