31014234871 has 2 divisors, whose sum is σ = 31014234872. Its totient is φ = 31014234870.

The previous prime is 31014234857. The next prime is 31014234877. The reversal of 31014234871 is 17843241013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31014234871 - 2⁷ = 31014234743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31014234877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507117435 + 15507117436.

It is an arithmetic number, because the mean of its divisors is an integer number (15507117436).

Almost surely, 2^31014234871 is an apocalyptic number.

31014234871 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014234871 is an equidigital number, since it uses as much as digits as its factorization.

31014234871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 31014234871 its reverse (17843241013), we get a palindrome (48857475884).

The spelling of 31014234871 in words is "thirty-one billion, fourteen million, two hundred thirty-four thousand, eight hundred seventy-one".