1631045707 has 2 divisors, whose sum is σ = 1631045708. Its totient is φ = 1631045706.

The previous prime is 1631045693. The next prime is 1631045743. The reversal of 1631045707 is 7075401361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1631045707 - 2¹⁹ = 1630521419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1631045107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815522853 + 815522854.

It is an arithmetic number, because the mean of its divisors is an integer number (815522854).

Almost surely, 2^1631045707 is an apocalyptic number.

1631045707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1631045707 is an equidigital number, since it uses as much as digits as its factorization.

1631045707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1631045707 is about 40386.2068904719. The cubic root of 1631045707 is about 1177.1235374677.

The spelling of 1631045707 in words is "one billion, six hundred thirty-one million, forty-five thousand, seven hundred seven".