31240301423 has 2 divisors, whose sum is σ = 31240301424. Its totient is φ = 31240301422.

The previous prime is 31240301419. The next prime is 31240301437. The reversal of 31240301423 is 32410304213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31240301423 - 2² = 31240301419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31240301473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620150711 + 15620150712.

It is an arithmetic number, because the mean of its divisors is an integer number (15620150712).

Almost surely, 2^31240301423 is an apocalyptic number.

31240301423 is a deficient number, since it is larger than the sum of its proper divisors (1).

31240301423 is an equidigital number, since it uses as much as digits as its factorization.

31240301423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31240301423 its reverse (32410304213), we get a palindrome (63650605636).

The spelling of 31240301423 in words is "thirty-one billion, two hundred forty million, three hundred one thousand, four hundred twenty-three".