31503052151 has 2 divisors, whose sum is σ = 31503052152. Its totient is φ = 31503052150.

The previous prime is 31503052129. The next prime is 31503052153. The reversal of 31503052151 is 15125030513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31503052151 is a prime.

Together with 31503052153, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31503052151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31503052153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15751526075 + 15751526076.

It is an arithmetic number, because the mean of its divisors is an integer number (15751526076).

Almost surely, 2^31503052151 is an apocalyptic number.

31503052151 is a deficient number, since it is larger than the sum of its proper divisors (1).

31503052151 is an equidigital number, since it uses as much as digits as its factorization.

31503052151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 31503052151 its reverse (15125030513), we get a palindrome (46628082664).

The spelling of 31503052151 in words is "thirty-one billion, five hundred three million, fifty-two thousand, one hundred fifty-one".