31330340434 has 32 divisors (see below), whose sum is σ = 52404710400. Its totient is φ = 13960823040.

The previous prime is 31330340429. The next prime is 31330340441. The reversal of 31330340434 is 43404303313.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435564 + ... + 1457224.

It is an arithmetic number, because the mean of its divisors is an integer number (1637647200).

Almost surely, 2^31330340434 is an apocalyptic number.

31330340434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31330340434 is a deficient number, since it is larger than the sum of its proper divisors (21074369966).

31330340434 is a wasteful number, since it uses less digits than its factorization.

31330340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23938.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 31330340434 its reverse (43404303313), we get a palindrome (74734643747).

The spelling of 31330340434 in words is "thirty-one billion, three hundred thirty million, three hundred forty thousand, four hundred thirty-four".