31414331443 has 16 divisors (see below), whose sum is σ = 34827230592. Its totient is φ = 28097136000.

The previous prime is 31414331387. The next prime is 31414331479. The reversal of 31414331443 is 34413341413.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31414331443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31414335443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148648 + ... + 291418.

It is an arithmetic number, because the mean of its divisors is an integer number (2176701912).

Almost surely, 2^31414331443 is an apocalyptic number.

31414331443 is a deficient number, since it is larger than the sum of its proper divisors (3412899149).

31414331443 is a wasteful number, since it uses less digits than its factorization.

31414331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143106.

The product of its digits is 20736, while the sum is 31.

Adding to 31414331443 its reverse (34413341413), we get a palindrome (65827672856).

The spelling of 31414331443 in words is "thirty-one billion, four hundred fourteen million, three hundred thirty-one thousand, four hundred forty-three".