140031301 has 4 divisors (see below), whose sum is σ = 141949612. Its totient is φ = 138112992.

The previous prime is 140031293. The next prime is 140031313. The reversal of 140031301 is 103130041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93122500 + 46908801 = 9650^2 + 6849^2 .

It is a cyclic number.

It is not a de Polignac number, because 140031301 - 2³ = 140031293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140031361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959046 + ... + 959191.

It is an arithmetic number, because the mean of its divisors is an integer number (35487403).

Almost surely, 2^140031301 is an apocalyptic number.

It is an amenable number.

140031301 is a deficient number, since it is larger than the sum of its proper divisors (1918311).

140031301 is an equidigital number, since it uses as much as digits as its factorization.

140031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918310.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 140031301 is about 11833.4822009415. The cubic root of 140031301 is about 519.2881049819.

Adding to 140031301 its reverse (103130041), we get a palindrome (243161342).

The spelling of 140031301 in words is "one hundred forty million, thirty-one thousand, three hundred one".