10302120020131 has 4 divisors (see below), whose sum is σ = 10302694901064. Its totient is φ = 10301545139200.

The previous prime is 10302120020117. The next prime is 10302120020141. The reversal of 10302120020131 is 13102002120301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10302120020131 - 2²⁷ = 10301985802403 is a prime.

It is a super-2 number, since 2×10302120020131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10302120020141) 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, 287413585 + ... + 287449426.

It is an arithmetic number, because the mean of its divisors is an integer number (2575673725266).

Almost surely, 2^{10302120020131} is an apocalyptic number.

10302120020131 is a deficient number, since it is larger than the sum of its proper divisors (574880933).

10302120020131 is an equidigital number, since it uses as much as digits as its factorization.

10302120020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574880932.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10302120020131 its reverse (13102002120301), we get a palindrome (23404122140432).

The spelling of 10302120020131 in words is "ten trillion, three hundred two billion, one hundred twenty million, twenty thousand, one hundred thirty-one".