10202131131131 has 4 divisors (see below), whose sum is σ = 10205157575064. Its totient is φ = 10199104687200.

The previous prime is 10202131131107. The next prime is 10202131131193. The reversal of 10202131131131 is 13113113120201.

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 10202131131131 - 2¹⁸ = 10202130868987 is a prime.

It is a super-2 number, since 2×10202131131131² (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 (10202131137131) 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, 1513216910 + ... + 1513223651.

It is an arithmetic number, because the mean of its divisors is an integer number (2551289393766).

Almost surely, 2^{10202131131131} is an apocalyptic number.

10202131131131 is a deficient number, since it is larger than the sum of its proper divisors (3026443933).

10202131131131 is an equidigital number, since it uses as much as digits as its factorization.

10202131131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026443932.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10202131131131 its reverse (13113113120201), we get a palindrome (23315244251332).

The spelling of 10202131131131 in words is "ten trillion, two hundred two billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty-one".