102112301231331 has 4 divisors (see below), whose sum is σ = 136149734975112. Its totient is φ = 68074867487552.

The previous prime is 102112301231249. The next prime is 102112301231407. The reversal of 102112301231331 is 133132103211201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102112301231331 - 2²¹ = 102112299134179 is a prime.

It is a super-2 number, since 2×102112301231331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102112301235331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17018716871886 + ... + 17018716871891.

It is an arithmetic number, because the mean of its divisors is an integer number (34037433743778).

Almost surely, 2^{102112301231331} is an apocalyptic number.

102112301231331 is a deficient number, since it is larger than the sum of its proper divisors (34037433743781).

102112301231331 is an equidigital number, since it uses as much as digits as its factorization.

102112301231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34037433743780.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 102112301231331 its reverse (133132103211201), we get a palindrome (235244404442532).

The spelling of 102112301231331 in words is "one hundred two trillion, one hundred twelve billion, three hundred one million, two hundred thirty-one thousand, three hundred thirty-one".