102312031121303 has 4 divisors (see below), whose sum is σ = 102312063137928. Its totient is φ = 102311999104680.

The previous prime is 102312031121227. The next prime is 102312031121309. The reversal of 102312031121303 is 303121130213201.

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 102312031121303 - 2²² = 102312026926999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312031121309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10607576 + ... + 17808557.

It is an arithmetic number, because the mean of its divisors is an integer number (25578015784482).

Almost surely, 2^{102312031121303} is an apocalyptic number.

102312031121303 is a deficient number, since it is larger than the sum of its proper divisors (32016625).

102312031121303 is an equidigital number, since it uses as much as digits as its factorization.

102312031121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32016624.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 102312031121303 its reverse (303121130213201), we get a palindrome (405433161334504).

The spelling of 102312031121303 in words is "one hundred two trillion, three hundred twelve billion, thirty-one million, one hundred twenty-one thousand, three hundred three".