102312230149 has 2 divisors, whose sum is σ = 102312230150. Its totient is φ = 102312230148.

The previous prime is 102312230101. The next prime is 102312230171. The reversal of 102312230149 is 941032213201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55546005124 + 46766225025 = 235682^2 + 216255^2 .

It is a cyclic number.

It is not a de Polignac number, because 102312230149 - 2¹⁵ = 102312197381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102312230179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156115074 + 51156115075.

It is an arithmetic number, because the mean of its divisors is an integer number (51156115075).

Almost surely, 2^102312230149 is an apocalyptic number.

It is an amenable number.

102312230149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102312230149 is an equidigital number, since it uses as much as digits as its factorization.

102312230149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 102312230149 in words is "one hundred two billion, three hundred twelve million, two hundred thirty thousand, one hundred forty-nine".