1231210031707 has 2 divisors, whose sum is σ = 1231210031708. Its totient is φ = 1231210031706.

The previous prime is 1231210031699. The next prime is 1231210031713. The reversal of 1231210031707 is 7071300121321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231210031707 - 2³ = 1231210031699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231210031797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615605015853 + 615605015854.

It is an arithmetic number, because the mean of its divisors is an integer number (615605015854).

Almost surely, 2^{1231210031707} is an apocalyptic number.

1231210031707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231210031707 is an equidigital number, since it uses as much as digits as its factorization.

1231210031707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 1231210031707 in words is "one trillion, two hundred thirty-one billion, two hundred ten million, thirty-one thousand, seven hundred seven".