31430110440413 has 2 divisors, whose sum is σ = 31430110440414. Its totient is φ = 31430110440412.

The previous prime is 31430110440403. The next prime is 31430110440433. The reversal of 31430110440413 is 31404401103413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24002425197529 + 7427685242884 = 4899227^2 + 2725378^2 .

It is a cyclic number.

It is not a de Polignac number, because 31430110440413 - 2¹² = 31430110436317 is a prime.

It is a super-2 number, since 2×31430110440413² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31430110440403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715055220206 + 15715055220207.

It is an arithmetic number, because the mean of its divisors is an integer number (15715055220207).

Almost surely, 2^{31430110440413} is an apocalyptic number.

It is an amenable number.

31430110440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430110440413 is an equidigital number, since it uses as much as digits as its factorization.

31430110440413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31430110440413 its reverse (31404401103413), we get a palindrome (62834511543826).

The spelling of 31430110440413 in words is "thirty-one trillion, four hundred thirty billion, one hundred ten million, four hundred forty thousand, four hundred thirteen".