130231331123 has 4 divisors (see below), whose sum is σ = 132438641880. Its totient is φ = 128024020368.

The previous prime is 130231331107. The next prime is 130231331143. The reversal of 130231331123 is 321133132031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321133132031 = 1187 ⋅270541813.

It is a cyclic number.

It is not a de Polignac number, because 130231331123 - 2⁴ = 130231331107 is a prime.

It is a super-2 number, since 2×130231331123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130231331143) 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, 1103655290 + ... + 1103655407.

It is an arithmetic number, because the mean of its divisors is an integer number (33109660470).

Almost surely, 2^130231331123 is an apocalyptic number.

130231331123 is a deficient number, since it is larger than the sum of its proper divisors (2207310757).

130231331123 is an equidigital number, since it uses as much as digits as its factorization.

130231331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207310756.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 130231331123 its reverse (321133132031), we get a palindrome (451364463154).

The spelling of 130231331123 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-three".