40100331 has 16 divisors (see below), whose sum is σ = 56743200. Its totient is φ = 25102848.

The previous prime is 40100327. The next prime is 40100351. The reversal of 40100331 is 13300104.

It is not a de Polignac number, because 40100331 - 2² = 40100327 is a prime.

It is a super-2 number, since 2×40100331² = 3216073092619122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40100351) 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, 35605 + ... + 36713.

It is an arithmetic number, because the mean of its divisors is an integer number (3546450).

Almost surely, 2^40100331 is an apocalyptic number.

40100331 is a deficient number, since it is larger than the sum of its proper divisors (16642869).

40100331 is a wasteful number, since it uses less digits than its factorization.

40100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 40100331 is about 6332.4822147401. The cubic root of 40100331 is about 342.2808899243.

Adding to 40100331 its reverse (13300104), we get a palindrome (53400435).

The spelling of 40100331 in words is "forty million, one hundred thousand, three hundred thirty-one".