31400235323 has 2 divisors, whose sum is σ = 31400235324. Its totient is φ = 31400235322.

The previous prime is 31400235241. The next prime is 31400235331. The reversal of 31400235323 is 32353200413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31400235323 - 2¹² = 31400231227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31400235292 and 31400235301.

It is not a weakly prime, because it can be changed into another prime (31400234323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700117661 + 15700117662.

It is an arithmetic number, because the mean of its divisors is an integer number (15700117662).

Almost surely, 2^31400235323 is an apocalyptic number.

31400235323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400235323 is an equidigital number, since it uses as much as digits as its factorization.

31400235323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 31400235323 its reverse (32353200413), we get a palindrome (63753435736).

The spelling of 31400235323 in words is "thirty-one billion, four hundred million, two hundred thirty-five thousand, three hundred twenty-three".