102213131131 has 4 divisors (see below), whose sum is σ = 102218290200. Its totient is φ = 102207972064.

The previous prime is 102213131093. The next prime is 102213131203. The reversal of 102213131131 is 131131312201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131131312201 = 9049 ⋅14491249.

It is a cyclic number.

It is not a de Polignac number, because 102213131131 - 2⁷ = 102213131003 is a prime.

It is a super-2 number, since 2×102213131131² (a number of 23 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 = 102213131099 and 102213131108.

It is not an unprimeable number, because it can be changed into a prime (102213135131) 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, 2549701 + ... + 2589478.

It is an arithmetic number, because the mean of its divisors is an integer number (25554572550).

Almost surely, 2^102213131131 is an apocalyptic number.

102213131131 is a deficient number, since it is larger than the sum of its proper divisors (5159069).

102213131131 is an equidigital number, since it uses as much as digits as its factorization.

102213131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159068.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 102213131131 its reverse (131131312201), we get a palindrome (233344443332).

The spelling of 102213131131 in words is "one hundred two billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".