31232412151 has 2 divisors, whose sum is σ = 31232412152. Its totient is φ = 31232412150.

The previous prime is 31232412143. The next prime is 31232412157. The reversal of 31232412151 is 15121423213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31232412151 - 2³ = 31232412143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31232412157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616206075 + 15616206076.

It is an arithmetic number, because the mean of its divisors is an integer number (15616206076).

Almost surely, 2^31232412151 is an apocalyptic number.

31232412151 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232412151 is an equidigital number, since it uses as much as digits as its factorization.

31232412151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

Adding to 31232412151 its reverse (15121423213), we get a palindrome (46353835364).

The spelling of 31232412151 in words is "thirty-one billion, two hundred thirty-two million, four hundred twelve thousand, one hundred fifty-one".