40443301031 has 16 divisors (see below), whose sum is σ = 46738137600. Its totient is φ = 34279041888.

The previous prime is 40443301027. The next prime is 40443301043. The reversal of 40443301031 is 13010334404.

It is not a de Polignac number, because 40443301031 - 2² = 40443301027 is a prime.

It is a super-2 number, since 2×40443301031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40443300988 and 40443301006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443307031) 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, 331100 + ... + 436478.

It is an arithmetic number, because the mean of its divisors is an integer number (2921133600).

Almost surely, 2^40443301031 is an apocalyptic number.

40443301031 is a deficient number, since it is larger than the sum of its proper divisors (6294836569).

40443301031 is a wasteful number, since it uses less digits than its factorization.

40443301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105998.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40443301031 its reverse (13010334404), we get a palindrome (53453635435).

The spelling of 40443301031 in words is "forty billion, four hundred forty-three million, three hundred one thousand, thirty-one".