40341345531 has 4 divisors (see below), whose sum is σ = 53788460712. Its totient is φ = 26894230352.

The previous prime is 40341345529. The next prime is 40341345533. The reversal of 40341345531 is 13554314304.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40341345529) and next prime (40341345533).

It is a cyclic number.

It is not a de Polignac number, because 40341345531 - 2¹ = 40341345529 is a prime.

It is a super-2 number, since 2×40341345531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40341345492 and 40341345501.

It is not an unprimeable number, because it can be changed into a prime (40341345533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6723557586 + ... + 6723557591.

It is an arithmetic number, because the mean of its divisors is an integer number (13447115178).

Almost surely, 2^40341345531 is an apocalyptic number.

40341345531 is a deficient number, since it is larger than the sum of its proper divisors (13447115181).

40341345531 is a wasteful number, since it uses less digits than its factorization.

40341345531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447115180.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 40341345531 its reverse (13554314304), we get a palindrome (53895659835).

The spelling of 40341345531 in words is "forty billion, three hundred forty-one million, three hundred forty-five thousand, five hundred thirty-one".