10130921831 has 4 divisors (see below), whose sum is σ = 10133169192. Its totient is φ = 10128674472.

The previous prime is 10130921813. The next prime is 10130921893. The reversal of 10130921831 is 13812903101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13812903101 = 71 ⋅194547931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10130921831 is a prime.

It is a super-2 number, since 2×10130921831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10130921794 and 10130921803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10130981831) 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, 1116905 + ... + 1125938.

It is an arithmetic number, because the mean of its divisors is an integer number (2533292298).

Almost surely, 2^10130921831 is an apocalyptic number.

10130921831 is a deficient number, since it is larger than the sum of its proper divisors (2247361).

10130921831 is an equidigital number, since it uses as much as digits as its factorization.

10130921831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247360.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 10130921831 in words is "ten billion, one hundred thirty million, nine hundred twenty-one thousand, eight hundred thirty-one".