102151013 has 2 divisors, whose sum is σ = 102151014. Its totient is φ = 102151012.

The previous prime is 102151009. The next prime is 102151033. The reversal of 102151013 is 310151201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57501889 + 44649124 = 7583^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 102151013 - 2² = 102151009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102151003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51075506 + 51075507.

It is an arithmetic number, because the mean of its divisors is an integer number (51075507).

Almost surely, 2^102151013 is an apocalyptic number.

It is an amenable number.

102151013 is a deficient number, since it is larger than the sum of its proper divisors (1).

102151013 is an equidigital number, since it uses as much as digits as its factorization.

102151013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 102151013 is about 10106.9784307675. The cubic root of 102151013 is about 467.4633416116.

The spelling of 102151013 in words is "one hundred two million, one hundred fifty-one thousand, thirteen".