140310331 has 8 divisors (see below), whose sum is σ = 161526240. Its totient is φ = 119387328.

The previous prime is 140310329. The next prime is 140310337. The reversal of 140310331 is 133013041.

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

It is a cyclic number.

It is not a de Polignac number, because 140310331 - 2¹ = 140310329 is a prime.

It is a super-2 number, since 2×140310331² = 39373977970659122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140310337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72196 + ... + 74113.

It is an arithmetic number, because the mean of its divisors is an integer number (20190780).

Almost surely, 2^140310331 is an apocalyptic number.

140310331 is a deficient number, since it is larger than the sum of its proper divisors (21215909).

140310331 is a wasteful number, since it uses less digits than its factorization.

140310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146453.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 140310331 is about 11845.2661852742. The cubic root of 140310331 is about 519.6327917852.

Adding to 140310331 its reverse (133013041), we get a palindrome (273323372).

The spelling of 140310331 in words is "one hundred forty million, three hundred ten thousand, three hundred thirty-one".