131203202234231 has 8 divisors (see below), whose sum is σ = 141542189314704. Its totient is φ = 121155454226560.

The previous prime is 131203202234207. The next prime is 131203202234233. The reversal of 131203202234231 is 132432202302131.

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-131203202234231 is a prime.

It is a super-2 number, since 2×131203202234231² (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 = 131203202234194 and 131203202234203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131203202234233) 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, 72809767265 + ... + 72809769066.

It is an arithmetic number, because the mean of its divisors is an integer number (17692773664338).

Almost surely, 2^{131203202234231} is an apocalyptic number.

131203202234231 is a deficient number, since it is larger than the sum of its proper divisors (10338987080473).

131203202234231 is a wasteful number, since it uses less digits than its factorization.

131203202234231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145619536401.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131203202234231 its reverse (132432202302131), we get a palindrome (263635404536362).

The spelling of 131203202234231 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred two million, two hundred thirty-four thousand, two hundred thirty-one".