231011122 has 8 divisors (see below), whose sum is σ = 346669596. Its totient is φ = 115454592.

The previous prime is 231011119. The next prime is 231011173. The reversal of 231011122 is 221110132.

It can be written as a sum of positive squares in 2 ways, for example, as 231009601 + 1521 = 15199^2 + 39^2 .

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

It is a super-2 number, since 2×231011122² = 106732276975397768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19543 + ... + 29050.

Almost surely, 2^231011122 is an apocalyptic number.

231011122 is a deficient number, since it is larger than the sum of its proper divisors (115658474).

231011122 is a wasteful number, since it uses less digits than its factorization.

231011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50972.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 231011122 is about 15199.0500361042. The cubic root of 231011122 is about 613.5890911795.

Adding to 231011122 its reverse (221110132), we get a palindrome (452121254).

The spelling of 231011122 in words is "two hundred thirty-one million, eleven thousand, one hundred twenty-two".