340030331534 has 32 divisors (see below), whose sum is σ = 555625224000. Its totient is φ = 155574929664.

The previous prime is 340030331533. The next prime is 340030331569. The reversal of 340030331534 is 435133030043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340030331497 and 340030331506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340030331533) 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, 1023839 + ... + 1314650.

It is an arithmetic number, because the mean of its divisors is an integer number (17363288250).

Almost surely, 2^340030331534 is an apocalyptic number.

340030331534 is a deficient number, since it is larger than the sum of its proper divisors (215594892466).

340030331534 is a wasteful number, since it uses less digits than its factorization.

340030331534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338652.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 340030331534 its reverse (435133030043), we get a palindrome (775163361577).

The spelling of 340030331534 in words is "three hundred forty billion, thirty million, three hundred thirty-one thousand, five hundred thirty-four".