10101323202131 has 4 divisors (see below), whose sum is σ = 11544369373872. Its totient is φ = 8658277030392.

The previous prime is 10101323202071. The next prime is 10101323202133. The reversal of 10101323202131 is 13120232310101.

It is a happy number.

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 10101323202131 - 2³⁰ = 10100249460307 is a prime.

It is a super-2 number, since 2×10101323202131² (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 (10101323202133) 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, 721523085860 + ... + 721523085873.

It is an arithmetic number, because the mean of its divisors is an integer number (2886092343468).

Almost surely, 2^{10101323202131} is an apocalyptic number.

10101323202131 is a deficient number, since it is larger than the sum of its proper divisors (1443046171741).

10101323202131 is an equidigital number, since it uses as much as digits as its factorization.

10101323202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443046171740.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10101323202131 its reverse (13120232310101), we get a palindrome (23221555512232).

The spelling of 10101323202131 in words is "ten trillion, one hundred one billion, three hundred twenty-three million, two hundred two thousand, one hundred thirty-one".