2303302313021 has 8 divisors (see below), whose sum is σ = 2439318220224. Its totient is φ = 2170275766560.

The previous prime is 2303302312979. The next prime is 2303302313027. The reversal of 2303302313021 is 1203132033032.

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 2303302313021 - 2⁶ = 2303302312957 is a prime.

It is a super-2 number, since 2×2303302313021² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303302313027) 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, 747338600 + ... + 747341681.

It is an arithmetic number, because the mean of its divisors is an integer number (304914777528).

Almost surely, 2^{2303302313021} is an apocalyptic number.

It is an amenable number.

2303302313021 is a deficient number, since it is larger than the sum of its proper divisors (136015907203).

2303302313021 is a wasteful number, since it uses less digits than its factorization.

2303302313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494680371.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 2303302313021 its reverse (1203132033032), we get a palindrome (3506434346053).

The spelling of 2303302313021 in words is "two trillion, three hundred three billion, three hundred two million, three hundred thirteen thousand, twenty-one".