231422120 has 16 divisors (see below), whose sum is σ = 520699860. Its totient is φ = 92568832.

The previous prime is 231422101. The next prime is 231422123. The reversal of 231422120 is 21224132.

231422120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 224940004 + 6482116 = 14998^2 + 2546^2 .

It is not an unprimeable number, because it can be changed into a prime (231422123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892737 + ... + 2892816.

Almost surely, 2^231422120 is an apocalyptic number.

231422120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231422120 is an abundant number, since it is smaller than the sum of its proper divisors (289277740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231422120 is a wasteful number, since it uses less digits than its factorization.

231422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785564 (or 5785560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231422120 is about 15212.5645438236. The cubic root of 231422120 is about 613.9527597901.

Adding to 231422120 its reverse (21224132), we get a palindrome (252646252).

The spelling of 231422120 in words is "two hundred thirty-one million, four hundred twenty-two thousand, one hundred twenty".