40230311 has 8 divisors (see below), whose sum is σ = 43938048. Its totient is φ = 36531000.

The previous prime is 40230301. The next prime is 40230329. The reversal of 40230311 is 11303204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40230311 - 2⁶ = 40230247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12056 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (5492256).

Almost surely, 2^40230311 is an apocalyptic number.

40230311 is a deficient number, since it is larger than the sum of its proper divisors (3707737).

40230311 is a wasteful number, since it uses less digits than its factorization.

40230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 40230311 is about 6342.7368698378. The cubic root of 40230311 is about 342.6503107094.

Adding to 40230311 its reverse (11303204), we get a palindrome (51533515).

The spelling of 40230311 in words is "forty million, two hundred thirty thousand, three hundred eleven".