102303123312331 has 4 divisors (see below), whose sum is σ = 102592933860312. Its totient is φ = 102013312764352.

The previous prime is 102303123312319. The next prime is 102303123312349. The reversal of 102303123312331 is 133213321303201.

It is a happy number.

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 102303123312331 - 2¹⁵ = 102303123279563 is a prime.

It is a super-3 number, since 3×102303123312331³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102303123312331.

It is not an unprimeable number, because it can be changed into a prime (102303123312301) 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, 144905273461 + ... + 144905274166.

It is an arithmetic number, because the mean of its divisors is an integer number (25648233465078).

Almost surely, 2^{102303123312331} is an apocalyptic number.

102303123312331 is a deficient number, since it is larger than the sum of its proper divisors (289810547981).

102303123312331 is an equidigital number, since it uses as much as digits as its factorization.

102303123312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289810547980.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 102303123312331 its reverse (133213321303201), we get a palindrome (235516444615532).

The spelling of 102303123312331 in words is "one hundred two trillion, three hundred three billion, one hundred twenty-three million, three hundred twelve thousand, three hundred thirty-one".