10302031013021 has 4 divisors (see below), whose sum is σ = 11238579286944. Its totient is φ = 9365482739100.

The previous prime is 10302031012901. The next prime is 10302031013081. The reversal of 10302031013021 is 12031013020301.

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 10302031013021 - 2²⁶ = 10301963904157 is a prime.

It is a super-2 number, since 2×10302031013021² (a number of 27 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 (10302031013081) 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, 468274136945 + ... + 468274136966.

It is an arithmetic number, because the mean of its divisors is an integer number (2809644821736).

Almost surely, 2^{10302031013021} is an apocalyptic number.

10302031013021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10302031013021 is a deficient number, since it is larger than the sum of its proper divisors (936548273923).

10302031013021 is an equidigital number, since it uses as much as digits as its factorization.

10302031013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936548273922.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10302031013021 its reverse (12031013020301), we get a palindrome (22333044033322).

The spelling of 10302031013021 in words is "ten trillion, three hundred two billion, thirty-one million, thirteen thousand, twenty-one".