31842323 has 2 divisors, whose sum is σ = 31842324. Its totient is φ = 31842322.

The previous prime is 31842313. The next prime is 31842367. The reversal of 31842323 is 32324813.

It is a weak prime.

It is an emirp because it is prime and its reverse (32324813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31842323 - 2⁸ = 31842067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31842292 and 31842301.

It is not a weakly prime, because it can be changed into another prime (31842313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15921161 + 15921162.

It is an arithmetic number, because the mean of its divisors is an integer number (15921162).

Almost surely, 2^31842323 is an apocalyptic number.

31842323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31842323 is an equidigital number, since it uses as much as digits as its factorization.

31842323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 31842323 is about 5642.9002294919. The cubic root of 31842323 is about 316.9579002496.

The spelling of 31842323 in words is "thirty-one million, eight hundred forty-two thousand, three hundred twenty-three".