40231151 has 4 divisors (see below), whose sum is σ = 42348600. Its totient is φ = 38113704.

The previous prime is 40231133. The next prime is 40231153. The reversal of 40231151 is 15113204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40231151 - 2¹⁴ = 40214767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058696 + ... + 1058733.

It is an arithmetic number, because the mean of its divisors is an integer number (10587150).

Almost surely, 2^40231151 is an apocalyptic number.

40231151 is a deficient number, since it is larger than the sum of its proper divisors (2117449).

40231151 is a wasteful number, since it uses less digits than its factorization.

40231151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117448.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 40231151 is about 6342.8030869640. The cubic root of 40231151 is about 342.6526955138.

Adding to 40231151 its reverse (15113204), we get a palindrome (55344355).

The spelling of 40231151 in words is "forty million, two hundred thirty-one thousand, one hundred fifty-one".