31030104412513 has 2 divisors, whose sum is σ = 31030104412514. Its totient is φ = 31030104412512.

The previous prime is 31030104412429. The next prime is 31030104412523. The reversal of 31030104412513 is 31521440103013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20313202238289 + 10716902174224 = 4507017^2 + 3273668^2 .

It is a cyclic number.

It is not a de Polignac number, because 31030104412513 - 2⁹ = 31030104412001 is a prime.

It is not a weakly prime, because it can be changed into another prime (31030104412523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515052206256 + 15515052206257.

It is an arithmetic number, because the mean of its divisors is an integer number (15515052206257).

Almost surely, 2^{31030104412513} is an apocalyptic number.

It is an amenable number.

31030104412513 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030104412513 is an equidigital number, since it uses as much as digits as its factorization.

31030104412513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 31030104412513 its reverse (31521440103013), we get a palindrome (62551544515526).

The spelling of 31030104412513 in words is "thirty-one trillion, thirty billion, one hundred four million, four hundred twelve thousand, five hundred thirteen".