231406141442 has 32 divisors (see below), whose sum is σ = 399214842624. Its totient is φ = 98545060800.

The previous prime is 231406141429. The next prime is 231406141487. The reversal of 231406141442 is 244141604132.

It is a junction number, because it is equal to n+sod(n) for n = 231406141399 and 231406141408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408592 + ... + 4460772.

It is an arithmetic number, because the mean of its divisors is an integer number (12475463832).

Almost surely, 2^231406141442 is an apocalyptic number.

231406141442 is a deficient number, since it is larger than the sum of its proper divisors (167808701182).

231406141442 is a wasteful number, since it uses less digits than its factorization.

231406141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54194.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 231406141442 its reverse (244141604132), we get a palindrome (475547745574).

The spelling of 231406141442 in words is "two hundred thirty-one billion, four hundred six million, one hundred forty-one thousand, four hundred forty-two".