31014340443 has 24 divisors (see below), whose sum is σ = 45444672000. Its totient is φ = 20379935664.

The previous prime is 31014340411. The next prime is 31014340451. The reversal of 31014340443 is 34404341013.

31014340443 is a `hidden beast` number, since 310 + 1 + 4 + 340 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 31014340443 - 2⁵ = 31014340411 is a prime.

It is a super-2 number, since 2×31014340443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31014340453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110718 + ... + 272556.

It is an arithmetic number, because the mean of its divisors is an integer number (1893528000).

Almost surely, 2^31014340443 is an apocalyptic number.

31014340443 is a deficient number, since it is larger than the sum of its proper divisors (14430331557).

31014340443 is a wasteful number, since it uses less digits than its factorization.

31014340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162151 (or 162148 counting only the distinct ones).

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

Adding to 31014340443 its reverse (34404341013), we get a palindrome (65418681456).

The spelling of 31014340443 in words is "thirty-one billion, fourteen million, three hundred forty thousand, four hundred forty-three".