231121022354 has 32 divisors (see below), whose sum is σ = 362349177840. Its totient is φ = 110421472000.

The previous prime is 231121022333. The next prime is 231121022393. The reversal of 231121022354 is 453220121132.

It can be written as a sum of positive squares in 8 ways, for example, as 231050378329 + 70644025 = 480677^2 + 8405^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15346292 + ... + 15361344.

Almost surely, 2^231121022354 is an apocalyptic number.

231121022354 is a deficient number, since it is larger than the sum of its proper divisors (131228155486).

231121022354 is a wasteful number, since it uses less digits than its factorization.

231121022354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17806.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 231121022354 its reverse (453220121132), we get a palindrome (684341143486).

The spelling of 231121022354 in words is "two hundred thirty-one billion, one hundred twenty-one million, twenty-two thousand, three hundred fifty-four".