3130961 has 2 divisors, whose sum is σ = 3130962. Its totient is φ = 3130960.

The previous prime is 3130957. The next prime is 3130979. The reversal of 3130961 is 1690313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3129361 + 1600 = 1769^2 + 40^2 .

It is an emirp because it is prime and its reverse (1690313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3130961 - 2² = 3130957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565480 + 1565481.

It is an arithmetic number, because the mean of its divisors is an integer number (1565481).

Almost surely, 2^3130961 is an apocalyptic number.

It is an amenable number.

3130961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130961 is an equidigital number, since it uses as much as digits as its factorization.

3130961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3130961 is about 1769.4521751096. The cubic root of 3130961 is about 146.2937882372.

The spelling of 3130961 in words is "three million, one hundred thirty thousand, nine hundred sixty-one".