31343402034 has 48 divisors (see below), whose sum is σ = 81023767200. Its totient is φ = 8955256968.

The previous prime is 31343401997. The next prime is 31343402063. The reversal of 31343402034 is 43020434313.

31343402034 is a `hidden beast` number, since 313 + 4 + 340 + 2 + 0 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31343401989 and 31343402007.

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 23 ways as a sum of consecutive naturals, for example, 5920144 + ... + 5925435.

It is an arithmetic number, because the mean of its divisors is an integer number (1687995150).

Almost surely, 2^31343402034 is an apocalyptic number.

31343402034 is an abundant number, since it is smaller than the sum of its proper divisors (49680365166).

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

31343402034 is a wasteful number, since it uses less digits than its factorization.

31343402034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845604 (or 11845591 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31343402034 its reverse (43020434313), we get a palindrome (74363836347).

The spelling of 31343402034 in words is "thirty-one billion, three hundred forty-three million, four hundred two thousand, thirty-four".