1312230031001 has 2 divisors, whose sum is σ = 1312230031002. Its totient is φ = 1312230031000.

The previous prime is 1312230030967. The next prime is 1312230031019. The reversal of 1312230031001 is 1001300322131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1152788742400 + 159441288601 = 1073680^2 + 399301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312230031001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312230031051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656115015500 + 656115015501.

It is an arithmetic number, because the mean of its divisors is an integer number (656115015501).

Almost surely, 2^{1312230031001} is an apocalyptic number.

It is an amenable number.

1312230031001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312230031001 is an equidigital number, since it uses as much as digits as its factorization.

1312230031001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1312230031001 its reverse (1001300322131), we get a palindrome (2313530353132).

The spelling of 1312230031001 in words is "one trillion, three hundred twelve billion, two hundred thirty million, thirty-one thousand, one".