121303323231031 has 8 divisors (see below), whose sum is σ = 123884468729280. Its totient is φ = 118722187054848.

The previous prime is 121303323230989. The next prime is 121303323231061. The reversal of 121303323231031 is 130132323303121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121303323231031 - 2²¹ = 121303321133879 is a prime.

It is a super-2 number, since 2×121303323231031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303323231061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28174815 + ... + 32193583.

It is an arithmetic number, because the mean of its divisors is an integer number (15485558591160).

Almost surely, 2^{121303323231031} is an apocalyptic number.

121303323231031 is a deficient number, since it is larger than the sum of its proper divisors (2581145498249).

121303323231031 is an equidigital number, since it uses as much as digits as its factorization.

121303323231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661033.

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

Adding to 121303323231031 its reverse (130132323303121), we get a palindrome (251435646534152).

The spelling of 121303323231031 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred twenty-three million, two hundred thirty-one thousand, thirty-one".