10002102131 has 4 divisors (see below), whose sum is σ = 11430973872. Its totient is φ = 8573230392.

The previous prime is 10002102127. The next prime is 10002102139. The reversal of 10002102131 is 13120120001.

10002102131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13120120001 = 7607 ⋅1724743.

It is a cyclic number.

It is not a de Polignac number, because 10002102131 - 2² = 10002102127 is a prime.

It is a super-2 number, since 2×10002102131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002102139) 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, 714435860 + ... + 714435873.

It is an arithmetic number, because the mean of its divisors is an integer number (2857743468).

Almost surely, 2^10002102131 is an apocalyptic number.

10002102131 is a deficient number, since it is larger than the sum of its proper divisors (1428871741).

10002102131 is an equidigital number, since it uses as much as digits as its factorization.

10002102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428871740.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10002102131 its reverse (13120120001), we get a palindrome (23122222132).

The spelling of 10002102131 in words is "ten billion, two million, one hundred two thousand, one hundred thirty-one".