31430111340434 has 16 divisors (see below), whose sum is σ = 48297974820480. Its totient is φ = 15330832839840.

The previous prime is 31430111340427. The next prime is 31430111340469. The reversal of 31430111340434 is 43404311103413.

It is a self number, because there is not a number n which added to its sum of digits gives 31430111340434.

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, 10247054 + ... + 12956169.

It is an arithmetic number, because the mean of its divisors is an integer number (3018623426280).

Almost surely, 2^{31430111340434} is an apocalyptic number.

31430111340434 is a deficient number, since it is larger than the sum of its proper divisors (16867863480046).

31430111340434 is a wasteful number, since it uses less digits than its factorization.

31430111340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23219785.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31430111340434 its reverse (43404311103413), we get a palindrome (74834422443847).

The spelling of 31430111340434 in words is "thirty-one trillion, four hundred thirty billion, one hundred eleven million, three hundred forty thousand, four hundred thirty-four".