40901031 has 24 divisors (see below), whose sum is σ = 64877904. Its totient is φ = 25660800.

The previous prime is 40901027. The next prime is 40901057. The reversal of 40901031 is 13010904.

It is not a de Polignac number, because 40901031 - 2² = 40901027 is a prime.

It is a super-2 number, since 2×40901031² = 3345788673725922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40900995 and 40901013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40901011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820 + ... + 9081.

It is an arithmetic number, because the mean of its divisors is an integer number (2703246).

Almost surely, 2^40901031 is an apocalyptic number.

40901031 is a deficient number, since it is larger than the sum of its proper divisors (23976873).

40901031 is an equidigital number, since it uses as much as digits as its factorization.

40901031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9921 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 40901031 is about 6395.3913875540. The cubic root of 40901031 is about 344.5440479628.

Adding to 40901031 its reverse (13010904), we get a palindrome (53911935).

The spelling of 40901031 in words is "forty million, nine hundred one thousand, thirty-one".