231421041355 has 24 divisors (see below), whose sum is σ = 323584394400. Its totient is φ = 158423690880.

The previous prime is 231421041349. The next prime is 231421041359. The reversal of 231421041355 is 553140124132.

It is not a de Polignac number, because 231421041355 - 2⁹ = 231421040843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231421041359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641706 + ... + 935215.

It is an arithmetic number, because the mean of its divisors is an integer number (13482683100).

Almost surely, 2^231421041355 is an apocalyptic number.

231421041355 is a deficient number, since it is larger than the sum of its proper divisors (92163353045).

231421041355 is a wasteful number, since it uses less digits than its factorization.

231421041355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577539 (or 1577532 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231421041355 its reverse (553140124132), we get a palindrome (784561165487).

The spelling of 231421041355 in words is "two hundred thirty-one billion, four hundred twenty-one million, forty-one thousand, three hundred fifty-five".