131142102323 has 4 divisors (see below), whose sum is σ = 133364849880. Its totient is φ = 128919354768.

The previous prime is 131142102281. The next prime is 131142102361. The reversal of 131142102323 is 323201241131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323201241131 = 83 ⋅3893990857.

It is a cyclic number.

It is not a de Polignac number, because 131142102323 - 2⁸ = 131142102067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131142102523) 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, 1111373690 + ... + 1111373807.

It is an arithmetic number, because the mean of its divisors is an integer number (33341212470).

Almost surely, 2^131142102323 is an apocalyptic number.

131142102323 is a deficient number, since it is larger than the sum of its proper divisors (2222747557).

131142102323 is an equidigital number, since it uses as much as digits as its factorization.

131142102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222747556.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131142102323 its reverse (323201241131), we get a palindrome (454343343454).

The spelling of 131142102323 in words is "one hundred thirty-one billion, one hundred forty-two million, one hundred two thousand, three hundred twenty-three".