231551425022405 has 8 divisors (see below), whose sum is σ = 278116395377184. Its totient is φ = 185071349784400.

The previous prime is 231551425022347. The next prime is 231551425022413. The reversal of 231551425022405 is 504220524155132.

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

It is not a de Polignac number, because 231551425022405 - 2⁸ = 231551425022149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21223773191 + ... + 21223784100.

It is an arithmetic number, because the mean of its divisors is an integer number (34764549422148).

Almost surely, 2^{231551425022405} is an apocalyptic number.

It is an amenable number.

231551425022405 is a deficient number, since it is larger than the sum of its proper divisors (46564970354779).

231551425022405 is a wasteful number, since it uses less digits than its factorization.

231551425022405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42447558387.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 231551425022405 its reverse (504220524155132), we get a palindrome (735771949177537).

The spelling of 231551425022405 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, four hundred twenty-five million, twenty-two thousand, four hundred five".