102151420331 has 2 divisors, whose sum is σ = 102151420332. Its totient is φ = 102151420330.

The previous prime is 102151420321. The next prime is 102151420367. The reversal of 102151420331 is 133024151201.

It is a weak prime.

It is an emirp because it is prime and its reverse (133024151201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102151420331 is a prime.

It is a super-2 number, since 2×102151420331² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 102151420297 and 102151420306.

It is not a weakly prime, because it can be changed into another prime (102151420321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51075710165 + 51075710166.

It is an arithmetic number, because the mean of its divisors is an integer number (51075710166).

Almost surely, 2^102151420331 is an apocalyptic number.

102151420331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102151420331 is an equidigital number, since it uses as much as digits as its factorization.

102151420331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 102151420331 its reverse (133024151201), we get a palindrome (235175571532).

The spelling of 102151420331 in words is "one hundred two billion, one hundred fifty-one million, four hundred twenty thousand, three hundred thirty-one".