31032142051 has 2 divisors, whose sum is σ = 31032142052. Its totient is φ = 31032142050.

The previous prime is 31032142049. The next prime is 31032142067. The reversal of 31032142051 is 15024123013.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31032142051 - 2¹ = 31032142049 is a prime.

Together with 31032142049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31032142081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516071025 + 15516071026.

It is an arithmetic number, because the mean of its divisors is an integer number (15516071026).

Almost surely, 2^31032142051 is an apocalyptic number.

31032142051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31032142051 is an equidigital number, since it uses as much as digits as its factorization.

31032142051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 31032142051 its reverse (15024123013), we get a palindrome (46056265064).

The spelling of 31032142051 in words is "thirty-one billion, thirty-two million, one hundred forty-two thousand, fifty-one".