340431111020 has 96 divisors (see below), whose sum is σ = 959872951296. Its totient is φ = 97946208000.

The previous prime is 340431110923. The next prime is 340431111037. The reversal of 340431111020 is 20111134043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 340431110983 and 340431111001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8482256 + ... + 8522295.

It is an arithmetic number, because the mean of its divisors is an integer number (9998676576).

Almost surely, 2^340431111020 is an apocalyptic number.

It is an amenable number.

340431111020 is an abundant number, since it is smaller than the sum of its proper divisors (619441840276).

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

340431111020 is a wasteful number, since it uses less digits than its factorization.

340431111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17004591 (or 17004589 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 340431111020 its reverse (20111134043), we get a palindrome (360542245063).

The spelling of 340431111020 in words is "three hundred forty billion, four hundred thirty-one million, one hundred eleven thousand, twenty".