1031311111322 has 16 divisors (see below), whose sum is σ = 1558260674880. Its totient is φ = 511891671168.

The previous prime is 1031311111267. The next prime is 1031311111333. The reversal of 1031311111322 is 2231111131301.

It is a junction number, because it is equal to n+sod(n) for n = 1031311111294 and 1031311111303.

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, 2504483 + ... + 2887049.

It is an arithmetic number, because the mean of its divisors is an integer number (97391292180).

Almost surely, 2^{1031311111322} is an apocalyptic number.

1031311111322 is a deficient number, since it is larger than the sum of its proper divisors (526949563558).

1031311111322 is a wasteful number, since it uses less digits than its factorization.

1031311111322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392405.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1031311111322 its reverse (2231111131301), we get a palindrome (3262422242623).

The spelling of 1031311111322 in words is "one trillion, thirty-one billion, three hundred eleven million, one hundred eleven thousand, three hundred twenty-two".