31002212413 has 2 divisors, whose sum is σ = 31002212414. Its totient is φ = 31002212412.

The previous prime is 31002212407. The next prime is 31002212431. The reversal of 31002212413 is 31421220013.

It is a happy number.

Together with next prime (31002212431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21751235289 + 9250977124 = 147483^2 + 96182^2 .

It is an emirp because it is prime and its reverse (31421220013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31002212413 - 2³³ = 22412277821 is a prime.

It is a super-2 number, since 2×31002212413² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31002212453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501106206 + 15501106207.

It is an arithmetic number, because the mean of its divisors is an integer number (15501106207).

Almost surely, 2^31002212413 is an apocalyptic number.

It is an amenable number.

31002212413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31002212413 is an equidigital number, since it uses as much as digits as its factorization.

31002212413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31002212413 its reverse (31421220013), we get a palindrome (62423432426).

The spelling of 31002212413 in words is "thirty-one billion, two million, two hundred twelve thousand, four hundred thirteen".