231232132212131 has 8 divisors (see below), whose sum is σ = 238692361536384. Its totient is φ = 223771973405760.

The previous prime is 231232132212121. The next prime is 231232132212143. The reversal of 231232132212131 is 131212231232132.

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 231232132212131 - 2²⁶ = 231232065103267 is a prime.

It is a super-2 number, since 2×231232132212131² (a number of 30 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 = 231232132212094 and 231232132212103.

It is not an unprimeable number, because it can be changed into a prime (231232132212121) 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, 10925090 + ... + 24120983.

It is an arithmetic number, because the mean of its divisors is an integer number (29836545192048).

Almost surely, 2^{231232132212131} is an apocalyptic number.

231232132212131 is a deficient number, since it is larger than the sum of its proper divisors (7460229324253).

231232132212131 is a wasteful number, since it uses less digits than its factorization.

231232132212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35258941.

The product of its digits is 5184, while the sum is 29.

Adding to 231232132212131 its reverse (131212231232132), we get a palindrome (362444363444263).

The spelling of 231232132212131 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred twelve thousand, one hundred thirty-one".