40341031 has 2 divisors, whose sum is σ = 40341032. Its totient is φ = 40341030.

The previous prime is 40341029. The next prime is 40341043. The reversal of 40341031 is 13014304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40341031 - 2¹ = 40341029 is a prime.

It is a super-2 number, since 2×40341031² = 3254797564285922, which contains 22 as substring.

Together with 40341029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40340996 and 40341014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40321031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170515 + 20170516.

It is an arithmetic number, because the mean of its divisors is an integer number (20170516).

Almost surely, 2^40341031 is an apocalyptic number.

40341031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40341031 is an equidigital number, since it uses as much as digits as its factorization.

40341031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40341031 is about 6351.4589662533. The cubic root of 40341031 is about 342.9643648858.

Adding to 40341031 its reverse (13014304), we get a palindrome (53355335).

The spelling of 40341031 in words is "forty million, three hundred forty-one thousand, thirty-one".