31400423120043 has 6 divisors (see below), whose sum is σ = 45356166728964. Its totient is φ = 20933615413356.

The previous prime is 31400423119991. The next prime is 31400423120051. The reversal of 31400423120043 is 34002132400413.

31400423120043 is a `hidden beast` number, since 3 + 1 + 400 + 4 + 231 + 20 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 31400423120043 - 2²⁴ = 31400406342827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31400423119989 and 31400423120016.

It is not an unprimeable number, because it can be changed into a prime (31400423127043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1744467951105 + ... + 1744467951122.

It is an arithmetic number, because the mean of its divisors is an integer number (7559361121494).

Almost surely, 2^{31400423120043} is an apocalyptic number.

31400423120043 is a deficient number, since it is larger than the sum of its proper divisors (13955743608921).

31400423120043 is a wasteful number, since it uses less digits than its factorization.

31400423120043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488935902233 (or 3488935902230 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31400423120043 its reverse (34002132400413), we get a palindrome (65402555520456).

The spelling of 31400423120043 in words is "thirty-one trillion, four hundred billion, four hundred twenty-three million, one hundred twenty thousand, forty-three".