101312042 has 16 divisors (see below), whose sum is σ = 167465760. Its totient is φ = 45671472.

The previous prime is 101312039. The next prime is 101312063. The reversal of 101312042 is 240213101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44192 + ... + 46427.

It is an arithmetic number, because the mean of its divisors is an integer number (10466610).

Almost surely, 2^101312042 is an apocalyptic number.

101312042 is a deficient number, since it is larger than the sum of its proper divisors (66153718).

101312042 is a wasteful number, since it uses less digits than its factorization.

101312042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90677.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101312042 is about 10065.3883183909. The cubic root of 101312042 is about 466.1800559211.

Adding to 101312042 its reverse (240213101), we get a palindrome (341525143).

The spelling of 101312042 in words is "one hundred one million, three hundred twelve thousand, forty-two".