140324331 has 16 divisors (see below), whose sum is σ = 217021184. Its totient is φ = 78987744.

The previous prime is 140324299. The next prime is 140324347. The reversal of 140324331 is 133423041.

It is not a de Polignac number, because 140324331 - 2⁵ = 140324299 is a prime.

It is a super-2 number, since 2×140324331² = 39381835741195122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140324298 and 140324307.

It is not an unprimeable number, because it can be changed into a prime (140324381) 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, 48460 + ... + 51273.

It is an arithmetic number, because the mean of its divisors is an integer number (13563824).

Almost surely, 2^140324331 is an apocalyptic number.

140324331 is a deficient number, since it is larger than the sum of its proper divisors (76696853).

140324331 is an equidigital number, since it uses as much as digits as its factorization.

140324331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99810.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 140324331 is about 11845.8571239062. The cubic root of 140324331 is about 519.6500739936.

Adding to 140324331 its reverse (133423041), we get a palindrome (273747372).

The spelling of 140324331 in words is "one hundred forty million, three hundred twenty-four thousand, three hundred thirty-one".