3113678731 has 2 divisors, whose sum is σ = 3113678732. Its totient is φ = 3113678730.

The previous prime is 3113678651. The next prime is 3113678747. The reversal of 3113678731 is 1378763113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113678731 is a prime.

It is a super-3 number, since 3×3113678731³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3113678791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556839365 + 1556839366.

It is an arithmetic number, because the mean of its divisors is an integer number (1556839366).

Almost surely, 2^3113678731 is an apocalyptic number.

3113678731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113678731 is an equidigital number, since it uses as much as digits as its factorization.

3113678731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 3113678731 is about 55800.3470508921. The cubic root of 3113678731 is about 1460.2412078802.

The spelling of 3113678731 in words is "three billion, one hundred thirteen million, six hundred seventy-eight thousand, seven hundred thirty-one".