140310312 has 16 divisors (see below), whose sum is σ = 350775840. Its totient is φ = 46770096.

The previous prime is 140310293. The next prime is 140310329. The reversal of 140310312 is 213013041.

140310312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140310291 and 140310300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923108 + ... + 2923155.

It is an arithmetic number, because the mean of its divisors is an integer number (21923490).

Almost surely, 2^140310312 is an apocalyptic number.

140310312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140310312 is an abundant number, since it is smaller than the sum of its proper divisors (210465528).

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

140310312 is a wasteful number, since it uses less digits than its factorization.

140310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846272 (or 5846268 counting only the distinct ones).

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

The square root of 140310312 is about 11845.2653832660. The cubic root of 140310312 is about 519.6327683300.

Adding to 140310312 its reverse (213013041), we get a palindrome (353323353).

The spelling of 140310312 in words is "one hundred forty million, three hundred ten thousand, three hundred twelve".