3131425663 has 8 divisors (see below), whose sum is σ = 3299889920. Its totient is φ = 2963326680.

The previous prime is 3131425651. The next prime is 3131425691. The reversal of 3131425663 is 3665241313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131425663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131425613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73623 + ... + 108088.

It is an arithmetic number, because the mean of its divisors is an integer number (412486240).

Almost surely, 2^3131425663 is an apocalyptic number.

3131425663 is a deficient number, since it is larger than the sum of its proper divisors (168464257).

3131425663 is a wasteful number, since it uses less digits than its factorization.

3131425663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182637.

The product of its digits is 38880, while the sum is 34.

The square root of 3131425663 is about 55959.1428007971. The cubic root of 3131425663 is about 1463.0102498742.

Adding to 3131425663 its reverse (3665241313), we get a palindrome (6796666976).

The spelling of 3131425663 in words is "three billion, one hundred thirty-one million, four hundred twenty-five thousand, six hundred sixty-three".