311000403422 has 32 divisors (see below), whose sum is σ = 480826712352. Its totient is φ = 150813425664.

The previous prime is 311000403401. The next prime is 311000403431. The reversal of 311000403422 is 224304000113.

It is a junction number, because it is equal to n+sod(n) for n = 311000403394 and 311000403403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446628 + ... + 2570600.

It is an arithmetic number, because the mean of its divisors is an integer number (15025834761).

Almost surely, 2^311000403422 is an apocalyptic number.

311000403422 is a deficient number, since it is larger than the sum of its proper divisors (169826308930).

311000403422 is a wasteful number, since it uses less digits than its factorization.

311000403422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124332.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 311000403422 its reverse (224304000113), we get a palindrome (535304403535).

The spelling of 311000403422 in words is "three hundred eleven billion, four hundred three thousand, four hundred twenty-two".