31430404011323 has 2 divisors, whose sum is σ = 31430404011324. Its totient is φ = 31430404011322.

The previous prime is 31430404011301. The next prime is 31430404011371. The reversal of 31430404011323 is 32311040403413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31430404011323 - 2¹⁴ = 31430403994939 is a prime.

It is a super-2 number, since 2×31430404011323² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31430404071323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715202005661 + 15715202005662.

It is an arithmetic number, because the mean of its divisors is an integer number (15715202005662).

Almost surely, 2^{31430404011323} is an apocalyptic number.

31430404011323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430404011323 is an equidigital number, since it uses as much as digits as its factorization.

31430404011323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31430404011323 its reverse (32311040403413), we get a palindrome (63741444414736).

The spelling of 31430404011323 in words is "thirty-one trillion, four hundred thirty billion, four hundred four million, eleven thousand, three hundred twenty-three".