231122355 has 8 divisors (see below), whose sum is σ = 369795792. Its totient is φ = 123265248.

The previous prime is 231122341. The next prime is 231122399. The reversal of 231122355 is 553221132.

It is a happy number.

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

It is not a de Polignac number, because 231122355 - 2⁵ = 231122323 is a prime.

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, 7704064 + ... + 7704093.

It is an arithmetic number, because the mean of its divisors is an integer number (46224474).

Almost surely, 2^231122355 is an apocalyptic number.

231122355 is a deficient number, since it is larger than the sum of its proper divisors (138673437).

231122355 is a wasteful number, since it uses less digits than its factorization.

231122355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15408165.

The product of its digits is 1800, while the sum is 24.

The square root of 231122355 is about 15202.7088046835. The cubic root of 231122355 is about 613.6875574399.

Adding to 231122355 its reverse (553221132), we get a palindrome (784343487).

The spelling of 231122355 in words is "two hundred thirty-one million, one hundred twenty-two thousand, three hundred fifty-five".