31214342100340 has 48 divisors (see below), whose sum is σ = 74914860787200. Its totient is φ = 10701997327872.

The previous prime is 31214342100281. The next prime is 31214342100427. The reversal of 31214342100340 is 4300124341213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 31214342100299 and 31214342100308.

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, 27632341 + ... + 28739779.

It is an arithmetic number, because the mean of its divisors is an integer number (1560726266400).

Almost surely, 2^{31214342100340} is an apocalyptic number.

It is an amenable number.

31214342100340 is an abundant number, since it is smaller than the sum of its proper divisors (43700518686860).

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

31214342100340 is a wasteful number, since it uses less digits than its factorization.

31214342100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308784 (or 1308782 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31214342100340 its reverse (4300124341213), we get a palindrome (35514466441553).

The spelling of 31214342100340 in words is "thirty-one trillion, two hundred fourteen billion, three hundred forty-two million, one hundred thousand, three hundred forty".