3130781427 has 12 divisors (see below), whose sum is σ = 4589736840. Its totient is φ = 2056035168.

The previous prime is 3130781417. The next prime is 3130781447. The reversal of 3130781427 is 7241870313.

It is not a de Polignac number, because 3130781427 - 2²⁴ = 3114004211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130781391 and 3130781400.

It is not an unprimeable number, because it can be changed into a prime (3130781417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2595402 + ... + 2596607.

It is an arithmetic number, because the mean of its divisors is an integer number (382478070).

Almost surely, 2^3130781427 is an apocalyptic number.

3130781427 is a deficient number, since it is larger than the sum of its proper divisors (1458955413).

3130781427 is a wasteful number, since it uses less digits than its factorization.

3130781427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192082 (or 5192079 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 3130781427 is about 55953.3861977986. The cubic root of 3130781427 is about 1462.9099134123.

The spelling of 3130781427 in words is "three billion, one hundred thirty million, seven hundred eighty-one thousand, four hundred twenty-seven".