38302313021 has 4 divisors (see below), whose sum is σ = 43774072032. Its totient is φ = 32830554012.

The previous prime is 38302312981. The next prime is 38302313069. The reversal of 38302313021 is 12031320383.

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 not a de Polignac number, because 38302313021 - 2²⁶ = 38235204157 is a prime.

It is a super-2 number, since 2×38302313021² (a number of 22 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 (38302303021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735879495 + ... + 2735879508.

It is an arithmetic number, because the mean of its divisors is an integer number (10943518008).

Almost surely, 2^38302313021 is an apocalyptic number.

It is an amenable number.

38302313021 is a deficient number, since it is larger than the sum of its proper divisors (5471759011).

38302313021 is an equidigital number, since it uses as much as digits as its factorization.

38302313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471759010.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 38302313021 in words is "thirty-eight billion, three hundred two million, three hundred thirteen thousand, twenty-one".