31144401311214 has 32 divisors (see below), whose sum is σ = 65991172607136. Its totient is φ = 9765115120640.

The previous prime is 31144401311189. The next prime is 31144401311263. The reversal of 31144401311214 is 41211310444113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88533717 + ... + 88884800.

It is an arithmetic number, because the mean of its divisors is an integer number (2062224143973).

Almost surely, 2^{31144401311214} is an apocalyptic number.

31144401311214 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31144401311214 is an abundant number, since it is smaller than the sum of its proper divisors (34846771295922).

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

31144401311214 is a wasteful number, since it uses less digits than its factorization.

31144401311214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177420260.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 31144401311214 its reverse (41211310444113), we get a palindrome (72355711755327).

The spelling of 31144401311214 in words is "thirty-one trillion, one hundred forty-four billion, four hundred one million, three hundred eleven thousand, two hundred fourteen".