31434043131 has 12 divisors (see below), whose sum is σ = 45429335952. Its totient is φ = 20944671696.

The previous prime is 31434043129. The next prime is 31434043219. The reversal of 31434043131 is 13134043413.

31434043131 is a `hidden beast` number, since 3 + 1 + 4 + 340 + 4 + 313 + 1 = 666.

It is not a de Polignac number, because 31434043131 - 2¹ = 31434043129 is a prime.

It is a super-2 number, since 2×31434043131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31434043095 and 31434043104.

It is not an unprimeable number, because it can be changed into a prime (31434045131) 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 11 ways as a sum of consecutive naturals, for example, 928876 + ... + 962121.

It is an arithmetic number, because the mean of its divisors is an integer number (3785777996).

Almost surely, 2^31434043131 is an apocalyptic number.

31434043131 is a deficient number, since it is larger than the sum of its proper divisors (13995292821).

31434043131 is a wasteful number, since it uses less digits than its factorization.

31434043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892850 (or 1892847 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31434043131 its reverse (13134043413), we get a palindrome (44568086544).

The spelling of 31434043131 in words is "thirty-one billion, four hundred thirty-four million, forty-three thousand, one hundred thirty-one".