101431213242 has 16 divisors (see below), whose sum is σ = 202914396192. Its totient is φ = 33801742800.

The previous prime is 101431213241. The next prime is 101431213253. The reversal of 101431213242 is 242312134101.

It is not an unprimeable number, because it can be changed into a prime (101431213241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140009 + ... + 2186892.

It is an arithmetic number, because the mean of its divisors is an integer number (12682149762).

Almost surely, 2^101431213242 is an apocalyptic number.

101431213242 is an abundant number, since it is smaller than the sum of its proper divisors (101483182950).

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

101431213242 is a wasteful number, since it uses less digits than its factorization.

101431213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330813.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 101431213242 its reverse (242312134101), we get a palindrome (343743347343).

The spelling of 101431213242 in words is "one hundred one billion, four hundred thirty-one million, two hundred thirteen thousand, two hundred forty-two".