3081231984937 has 2 divisors, whose sum is σ = 3081231984938. Its totient is φ = 3081231984936.

The previous prime is 3081231984931. The next prime is 3081231984977. The reversal of 3081231984937 is 7394891321803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2903380852761 + 177851132176 = 1703931^2 + 421724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081231984937 is a prime.

It is not a weakly prime, because it can be changed into another prime (3081231984931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540615992468 + 1540615992469.

It is an arithmetic number, because the mean of its divisors is an integer number (1540615992469).

Almost surely, 2^{3081231984937} is an apocalyptic number.

It is an amenable number.

3081231984937 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081231984937 is an equidigital number, since it uses as much as digits as its factorization.

3081231984937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 3081231984937 in words is "three trillion, eighty-one billion, two hundred thirty-one million, nine hundred eighty-four thousand, nine hundred thirty-seven".