131231233010121 has 8 divisors (see below), whose sum is σ = 185267623073184. Its totient is φ = 82341165810240.

The previous prime is 131231233010117. The next prime is 131231233010159. The reversal of 131231233010121 is 121010332132131.

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

It is not a de Polignac number, because 131231233010121 - 2² = 131231233010117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131231233010091 and 131231233010100.

It is not an unprimeable number, because it can be changed into a prime (131231233010221) 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, 1286580715735 + ... + 1286580715836.

It is an arithmetic number, because the mean of its divisors is an integer number (23158452884148).

Almost surely, 2^{131231233010121} is an apocalyptic number.

It is an amenable number.

131231233010121 is a deficient number, since it is larger than the sum of its proper divisors (54036390063063).

131231233010121 is a wasteful number, since it uses less digits than its factorization.

131231233010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573161431591.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131231233010121 its reverse (121010332132131), we get a palindrome (252241565142252).

The spelling of 131231233010121 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, two hundred thirty-three million, ten thousand, one hundred twenty-one".