31003231099969 has 2 divisors, whose sum is σ = 31003231099970. Its totient is φ = 31003231099968.

The previous prime is 31003231099963. The next prime is 31003231099987. The reversal of 31003231099969 is 96999013230013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24355409414400 + 6647821685569 = 4935120^2 + 2578337^2 .

It is a cyclic number.

It is not a de Polignac number, because 31003231099969 - 2⁵ = 31003231099937 is a prime.

It is a super-2 number, since 2×31003231099969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31003231099963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501615549984 + 15501615549985.

It is an arithmetic number, because the mean of its divisors is an integer number (15501615549985).

Almost surely, 2^{31003231099969} is an apocalyptic number.

It is an amenable number.

31003231099969 is a deficient number, since it is larger than the sum of its proper divisors (1).

31003231099969 is an equidigital number, since it uses as much as digits as its factorization.

31003231099969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2125764, while the sum is 55.

The spelling of 31003231099969 in words is "thirty-one trillion, three billion, two hundred thirty-one million, ninety-nine thousand, nine hundred sixty-nine".