31343111411143 has 16 divisors (see below), whose sum is σ = 36737232125440. Its totient is φ = 26180970421536.

The previous prime is 31343111411083. The next prime is 31343111411159. The reversal of 31343111411143 is 34111411134313.

It is a happy number.

It is not a de Polignac number, because 31343111411143 - 2⁹ = 31343111410631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343111511143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118466880 + ... + 118731157.

It is an arithmetic number, because the mean of its divisors is an integer number (2296077007840).

Almost surely, 2^{31343111411143} is an apocalyptic number.

31343111411143 is a deficient number, since it is larger than the sum of its proper divisors (5394120714297).

31343111411143 is a wasteful number, since it uses less digits than its factorization.

31343111411143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237198526.

The product of its digits is 5184, while the sum is 31.

Adding to 31343111411143 its reverse (34111411134313), we get a palindrome (65454522545456).

It can be divided in two parts, 3134311 and 1411143, that added together give a palindrome (4545454).

The spelling of 31343111411143 in words is "thirty-one trillion, three hundred forty-three billion, one hundred eleven million, four hundred eleven thousand, one hundred forty-three".