31343111430 has 16 divisors (see below), whose sum is σ = 75223467504. Its totient is φ = 8358163040.

The previous prime is 31343111407. The next prime is 31343111461. The reversal of 31343111430 is 3411134313.

It is a super-2 number, since 2×31343111430² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31343111430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522385161 + ... + 522385220.

It is an arithmetic number, because the mean of its divisors is an integer number (4701466719).

Almost surely, 2^31343111430 is an apocalyptic number.

31343111430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31343111430 is an abundant number, since it is smaller than the sum of its proper divisors (43880356074).

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

31343111430 is a wasteful number, since it uses less digits than its factorization.

31343111430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044770391.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31343111430 its reverse (3411134313), we get a palindrome (34754245743).

The spelling of 31343111430 in words is "thirty-one billion, three hundred forty-three million, one hundred eleven thousand, four hundred thirty".