31440231423014 has 16 divisors (see below), whose sum is σ = 47564584532448. Its totient is φ = 15585808110912.

The previous prime is 31440231423011. The next prime is 31440231423017. The reversal of 31440231423014 is 41032413204413.

It is an interprime number because it is at equal distance from previous prime (31440231423011) and next prime (31440231423017).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440231423011) 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, 109405874 + ... + 109692869.

It is an arithmetic number, because the mean of its divisors is an integer number (2972786533278).

Almost surely, 2^{31440231423014} is an apocalyptic number.

31440231423014 is a deficient number, since it is larger than the sum of its proper divisors (16124353109434).

31440231423014 is a wasteful number, since it uses less digits than its factorization.

31440231423014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219099359.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31440231423014 its reverse (41032413204413), we get a palindrome (72472644627427).

The spelling of 31440231423014 in words is "thirty-one trillion, four hundred forty billion, two hundred thirty-one million, four hundred twenty-three thousand, fourteen".