231411142 has 16 divisors (see below), whose sum is σ = 365539680. Its totient is φ = 109657152.

The previous prime is 231411133. The next prime is 231411143. The reversal of 231411142 is 241114132.

It is a super-2 number, since 2×231411142² = 107102233283488328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231411143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18063 + ... + 28090.

It is an arithmetic number, because the mean of its divisors is an integer number (22846230).

Almost surely, 2^231411142 is an apocalyptic number.

231411142 is a deficient number, since it is larger than the sum of its proper divisors (134128538).

231411142 is a wasteful number, since it uses less digits than its factorization.

231411142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46287.

The product of its digits is 192, while the sum is 19.

The square root of 231411142 is about 15212.2037193827. The cubic root of 231411142 is about 613.9430515853.

Adding to 231411142 its reverse (241114132), we get a palindrome (472525274).

It can be divided in two parts, 2314 and 11142, that added together give a square (13456 = 116²).

The spelling of 231411142 in words is "two hundred thirty-one million, four hundred eleven thousand, one hundred forty-two".