3125031513 has 16 divisors (see below), whose sum is σ = 4203837696. Its totient is φ = 2064839040.

The previous prime is 3125031491. The next prime is 3125031529. The reversal of 3125031513 is 3151305213.

It is not a de Polignac number, because 3125031513 - 2¹⁸ = 3124769369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3125031113) 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, 265920 + ... + 277422.

It is an arithmetic number, because the mean of its divisors is an integer number (262739856).

Almost surely, 2^3125031513 is an apocalyptic number.

It is an amenable number.

3125031513 is a deficient number, since it is larger than the sum of its proper divisors (1078806183).

3125031513 is a wasteful number, since it uses less digits than its factorization.

3125031513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 3125031513 is about 55901.9812976249. The cubic root of 3125031513 is about 1462.0137834670.

Adding to 3125031513 its reverse (3151305213), we get a palindrome (6276336726).

The spelling of 3125031513 in words is "three billion, one hundred twenty-five million, thirty-one thousand, five hundred thirteen".