140231310 has 16 divisors (see below), whose sum is σ = 336555216. Its totient is φ = 37395008.

The previous prime is 140231297. The next prime is 140231323. The reversal of 140231310 is 13132041.

140231310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140231297) and next prime (140231323).

It is a super-2 number, since 2×140231310² = 39329640608632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 140231310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337159 + ... + 2337218.

It is an arithmetic number, because the mean of its divisors is an integer number (21034701).

Almost surely, 2^140231310 is an apocalyptic number.

140231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140231310 is an abundant number, since it is smaller than the sum of its proper divisors (196323906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140231310 is a wasteful number, since it uses less digits than its factorization.

140231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674387.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140231310 is about 11841.9301636178. The cubic root of 140231310 is about 519.5352232658.

Adding to 140231310 its reverse (13132041), we get a palindrome (153363351).

The spelling of 140231310 in words is "one hundred forty million, two hundred thirty-one thousand, three hundred ten".