231140122 has 8 divisors (see below), whose sum is σ = 347130900. Its totient is φ = 115429824.

The previous prime is 231140101. The next prime is 231140131. The reversal of 231140122 is 221041132.

It can be written as a sum of positive squares in 2 ways, for example, as 211964481 + 19175641 = 14559^2 + 4379^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 231140096 and 231140105.

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, 68047 + ... + 71362.

Almost surely, 2^231140122 is an apocalyptic number.

231140122 is a deficient number, since it is larger than the sum of its proper divisors (115990778).

231140122 is a wasteful number, since it uses less digits than its factorization.

231140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140240.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 231140122 is about 15203.2931301084. The cubic root of 231140122 is about 613.7032823106.

Adding to 231140122 its reverse (221041132), we get a palindrome (452181254).

The spelling of 231140122 in words is "two hundred thirty-one million, one hundred forty thousand, one hundred twenty-two".