31440230041 has 8 divisors (see below), whose sum is σ = 34300162368. Its totient is φ = 28580586000.

The previous prime is 31440230033. The next prime is 31440230047. The reversal of 31440230041 is 14003204413.

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 31440230041 - 2³ = 31440230033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31440229994 and 31440230021.

It is not an unprimeable number, because it can be changed into a prime (31440230047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200956 + ... + 321346.

It is an arithmetic number, because the mean of its divisors is an integer number (4287520296).

Almost surely, 2^31440230041 is an apocalyptic number.

It is an amenable number.

31440230041 is a deficient number, since it is larger than the sum of its proper divisors (2859932327).

31440230041 is a wasteful number, since it uses less digits than its factorization.

31440230041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144143.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31440230041 its reverse (14003204413), we get a palindrome (45443434454).

It can be divided in two parts, 314402 and 30041, that added together give a palindrome (344443).

The spelling of 31440230041 in words is "thirty-one billion, four hundred forty million, two hundred thirty thousand, forty-one".