31431403020014 has 16 divisors (see below), whose sum is σ = 48302688389760. Its totient is φ = 15330596643840.

The previous prime is 31431403020007. The next prime is 31431403020029. The reversal of 31431403020014 is 41002030413413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21733619 + ... + 23134670.

It is an arithmetic number, because the mean of its divisors is an integer number (3018918024360).

Almost surely, 2^{31431403020014} is an apocalyptic number.

31431403020014 is a deficient number, since it is larger than the sum of its proper divisors (16871285369746).

31431403020014 is a wasteful number, since it uses less digits than its factorization.

31431403020014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44876875.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31431403020014 its reverse (41002030413413), we get a palindrome (72433433433427).

The spelling of 31431403020014 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred three million, twenty thousand, fourteen".