31412323 has 2 divisors, whose sum is σ = 31412324. Its totient is φ = 31412322.

The previous prime is 31412321. The next prime is 31412327. The reversal of 31412323 is 32321413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31412323 - 2¹ = 31412321 is a prime.

Together with 31412321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31412323.

It is not a weakly prime, because it can be changed into another prime (31412321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706161 + 15706162.

It is an arithmetic number, because the mean of its divisors is an integer number (15706162).

Almost surely, 2^31412323 is an apocalyptic number.

31412323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31412323 is an equidigital number, since it uses as much as digits as its factorization.

31412323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 31412323 is about 5604.6697494143. The cubic root of 31412323 is about 315.5246920146.

Adding to 31412323 its reverse (32321413), we get a palindrome (63733736).

The spelling of 31412323 in words is "thirty-one million, four hundred twelve thousand, three hundred twenty-three".