121430403313 has 4 divisors (see below), whose sum is σ = 121435979328. Its totient is φ = 121424827300.

The previous prime is 121430403301. The next prime is 121430403337. The reversal of 121430403313 is 313304034121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121430403313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121430403343) 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, 2755213 + ... + 2798938.

It is an arithmetic number, because the mean of its divisors is an integer number (30358994832).

Almost surely, 2^121430403313 is an apocalyptic number.

It is an amenable number.

121430403313 is a deficient number, since it is larger than the sum of its proper divisors (5576015).

121430403313 is an equidigital number, since it uses as much as digits as its factorization.

121430403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576014.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 121430403313 its reverse (313304034121), we get a palindrome (434734437434).

The spelling of 121430403313 in words is "one hundred twenty-one billion, four hundred thirty million, four hundred three thousand, three hundred thirteen".