31340342416 has 40 divisors (see below), whose sum is σ = 60975383040. Its totient is φ = 15604896384.

The previous prime is 31340342387. The next prime is 31340342461. The reversal of 31340342416 is 61424304313.

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, 4182225 + ... + 4189711.

It is an arithmetic number, because the mean of its divisors is an integer number (1524384576).

Almost surely, 2^31340342416 is an apocalyptic number.

It is an amenable number.

31340342416 is a deficient number, since it is larger than the sum of its proper divisors (29635040624).

31340342416 is a wasteful number, since it uses less digits than its factorization.

31340342416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551 (or 8545 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31340342416 its reverse (61424304313), we get a palindrome (92764646729).

The spelling of 31340342416 in words is "thirty-one billion, three hundred forty million, three hundred forty-two thousand, four hundred sixteen".