102242232131 has 4 divisors (see below), whose sum is σ = 110107019232. Its totient is φ = 94377445032.

The previous prime is 102242232121. The next prime is 102242232163. The reversal of 102242232131 is 131232242201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131232242201 = 193301 ⋅678901.

It is not a de Polignac number, because 102242232131 - 2⁶ = 102242232067 is a prime.

It is a super-2 number, since 2×102242232131² (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 = 102242232097 and 102242232106.

It is not an unprimeable number, because it can be changed into a prime (102242232101) 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, 3932393531 + ... + 3932393556.

It is an arithmetic number, because the mean of its divisors is an integer number (27526754808).

Almost surely, 2^102242232131 is an apocalyptic number.

102242232131 is a deficient number, since it is larger than the sum of its proper divisors (7864787101).

102242232131 is an equidigital number, since it uses as much as digits as its factorization.

102242232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864787100.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102242232131 its reverse (131232242201), we get a palindrome (233474474332).

The spelling of 102242232131 in words is "one hundred two billion, two hundred forty-two million, two hundred thirty-two thousand, one hundred thirty-one".