131142203303231 has 8 divisors (see below), whose sum is σ = 132989519996928. Its totient is φ = 129294893371000.

The previous prime is 131142203303219. The next prime is 131142203303263. The reversal of 131142203303231 is 132303302241131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131142203303231 is a prime.

It is a super-2 number, since 2×131142203303231² (a number of 29 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 = 131142203303194 and 131142203303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142203303201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47306546 + ... + 50001936.

It is an arithmetic number, because the mean of its divisors is an integer number (16623689999616).

Almost surely, 2^{131142203303231} is an apocalyptic number.

131142203303231 is a deficient number, since it is larger than the sum of its proper divisors (1847316693697).

131142203303231 is an equidigital number, since it uses as much as digits as its factorization.

131142203303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380733.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131142203303231 its reverse (132303302241131), we get a palindrome (263445505544362).

The spelling of 131142203303231 in words is "one hundred thirty-one trillion, one hundred forty-two billion, two hundred three million, three hundred three thousand, two hundred thirty-one".