936431423131 has 4 divisors (see below), whose sum is σ = 936433398232. Its totient is φ = 936429448032.

The previous prime is 936431423129. The next prime is 936431423167. The reversal of 936431423131 is 131324134639.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 936431423131 - 2¹ = 936431423129 is a prime.

It is a super-2 number, since 2×936431423131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (936431423111) 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, 198220 + ... + 1382806.

It is an arithmetic number, because the mean of its divisors is an integer number (234108349558).

Almost surely, 2^936431423131 is an apocalyptic number.

936431423131 is a deficient number, since it is larger than the sum of its proper divisors (1975101).

936431423131 is a wasteful number, since it uses less digits than its factorization.

936431423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975100.

The product of its digits is 139968, while the sum is 40.

The spelling of 936431423131 in words is "nine hundred thirty-six billion, four hundred thirty-one million, four hundred twenty-three thousand, one hundred thirty-one".