31144401421014 has 64 divisors (see below), whose sum is σ = 72951183083520. Its totient is φ = 8678067847680.

The previous prime is 31144401420991. The next prime is 31144401421213. The reversal of 31144401421014 is 41012410444113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1099507 + ... + 7968545.

It is an arithmetic number, because the mean of its divisors is an integer number (1139862235680).

Almost surely, 2^{31144401421014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31144401421014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36475591541760).

31144401421014 is an abundant number, since it is smaller than the sum of its proper divisors (41806781662506).

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

31144401421014 is a wasteful number, since it uses less digits than its factorization.

31144401421014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871725.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 31144401421014 its reverse (41012410444113), we get a palindrome (72156811865127).

The spelling of 31144401421014 in words is "thirty-one trillion, one hundred forty-four billion, four hundred one million, four hundred twenty-one thousand, fourteen".