2131203112031 has 8 divisors (see below), whose sum is σ = 2578934858400. Its totient is φ = 1719289905408.

The previous prime is 2131203112019. The next prime is 2131203112063. The reversal of 2131203112031 is 1302113021312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2131203112031 - 2¹⁰ = 2131203111007 is a prime.

It is a super-2 number, since 2×2131203112031² (a number of 25 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 = 2131203111994 and 2131203112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131203112001) 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, 8954634806 + ... + 8954635043.

It is an arithmetic number, because the mean of its divisors is an integer number (322366857300).

Almost surely, 2^{2131203112031} is an apocalyptic number.

2131203112031 is a deficient number, since it is larger than the sum of its proper divisors (447731746369).

2131203112031 is a wasteful number, since it uses less digits than its factorization.

2131203112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909269873.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131203112031 its reverse (1302113021312), we get a palindrome (3433316133343).

The spelling of 2131203112031 in words is "two trillion, one hundred thirty-one billion, two hundred three million, one hundred twelve thousand, thirty-one".