40201131 has 16 divisors (see below), whose sum is σ = 56989440. Its totient is φ = 25135200.

The previous prime is 40201103. The next prime is 40201157. The reversal of 40201131 is 13110204.

It is a happy number.

It is not a de Polignac number, because 40201131 - 2⁵ = 40201099 is a prime.

It is a super-2 number, since 2×40201131² = 3232261867358322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40201181) 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, 2266 + ... + 9248.

It is an arithmetic number, because the mean of its divisors is an integer number (3561840).

Almost surely, 2^40201131 is an apocalyptic number.

40201131 is a deficient number, since it is larger than the sum of its proper divisors (16788309).

40201131 is a wasteful number, since it uses less digits than its factorization.

40201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 40201131 is about 6340.4361837337. The cubic root of 40201131 is about 342.5674465358.

Adding to 40201131 its reverse (13110204), we get a palindrome (53311335).

It can be divided in two parts, 4020 and 1131, that multiplied together give a triangular number (4546620 = T₃₀₁₅).

The spelling of 40201131 in words is "forty million, two hundred one thousand, one hundred thirty-one".