2402313121 has 8 divisors (see below), whose sum is σ = 2647272320. Its totient is φ = 2165949072.

The previous prime is 2402313113. The next prime is 2402313157. The reversal of 2402313121 is 1213132042.

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 2402313121 - 2³ = 2402313113 is a prime.

It is a super-2 number, since 2×2402313121² = 11542216662657521282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402313161) 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, 2148201 + ... + 2149318.

It is an arithmetic number, because the mean of its divisors is an integer number (330909040).

Almost surely, 2^2402313121 is an apocalyptic number.

It is an amenable number.

2402313121 is a deficient number, since it is larger than the sum of its proper divisors (244959199).

2402313121 is a wasteful number, since it uses less digits than its factorization.

2402313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297575.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2402313121 is about 49013.3973623539. The cubic root of 2402313121 is about 1339.2958952216.

Adding to 2402313121 its reverse (1213132042), we get a palindrome (3615445163).

The spelling of 2402313121 in words is "two billion, four hundred two million, three hundred thirteen thousand, one hundred twenty-one".