31314440043 has 12 divisors (see below), whose sum is σ = 45804526560. Its totient is φ = 20612036016.

The previous prime is 31314440041. The next prime is 31314440051. The reversal of 31314440043 is 34004441313.

It is not a de Polignac number, because 31314440043 - 2¹ = 31314440041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31314439989 and 31314440016.

It is not an unprimeable number, because it can be changed into a prime (31314440041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22020696 + ... + 22022117.

It is an arithmetic number, because the mean of its divisors is an integer number (3817043880).

Almost surely, 2^31314440043 is an apocalyptic number.

31314440043 is a deficient number, since it is larger than the sum of its proper divisors (14490086517).

31314440043 is a wasteful number, since it uses less digits than its factorization.

31314440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44042898 (or 44042895 counting only the distinct ones).

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

Adding to 31314440043 its reverse (34004441313), we get a palindrome (65318881356).

The spelling of 31314440043 in words is "thirty-one billion, three hundred fourteen million, four hundred forty thousand, forty-three".