40053131 has 2 divisors, whose sum is σ = 40053132. Its totient is φ = 40053130.

The previous prime is 40053127. The next prime is 40053157. The reversal of 40053131 is 13135004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40053131 - 2² = 40053127 is a prime.

It is a super-2 number, since 2×40053131² = 3208506605806322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40053161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026565 + 20026566.

It is an arithmetic number, because the mean of its divisors is an integer number (20026566).

Almost surely, 2^40053131 is an apocalyptic number.

40053131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40053131 is an equidigital number, since it uses as much as digits as its factorization.

40053131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 40053131 is about 6328.7543008083. The cubic root of 40053131 is about 342.1465435618.

Adding to 40053131 its reverse (13135004), we get a palindrome (53188135).

The spelling of 40053131 in words is "forty million, fifty-three thousand, one hundred thirty-one".