131032121210323 has 4 divisors (see below), whose sum is σ = 131653126524328. Its totient is φ = 130411115896320.

The previous prime is 131032121210269. The next prime is 131032121210339. The reversal of 131032121210323 is 323012121230131.

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 131032121210323 - 2⁴⁵ = 95847749121491 is a prime.

It is a super-2 number, since 2×131032121210323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131032121210423) 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, 310502656686 + ... + 310502657107.

It is an arithmetic number, because the mean of its divisors is an integer number (32913281631082).

Almost surely, 2^{131032121210323} is an apocalyptic number.

131032121210323 is a deficient number, since it is larger than the sum of its proper divisors (621005314005).

131032121210323 is an equidigital number, since it uses as much as digits as its factorization.

131032121210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621005314004.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131032121210323 its reverse (323012121230131), we get a palindrome (454044242440454).

The spelling of 131032121210323 in words is "one hundred thirty-one trillion, thirty-two billion, one hundred twenty-one million, two hundred ten thousand, three hundred twenty-three".