31133211011322 has 32 divisors (see below), whose sum is σ = 72816546688512. Its totient is φ = 8688337956144.

The previous prime is 31133211011267. The next prime is 31133211011347. The reversal of 31133211011322 is 22311011233113.

It is a junction number, because it is equal to n+sod(n) for n = 31133211011292 and 31133211011301.

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, 8619381088 + ... + 8619384699.

It is an arithmetic number, because the mean of its divisors is an integer number (2275517084016).

Almost surely, 2^{31133211011322} is an apocalyptic number.

31133211011322 is an abundant number, since it is smaller than the sum of its proper divisors (41683335677190).

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

31133211011322 is a wasteful number, since it uses less digits than its factorization.

31133211011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17238765842.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 31133211011322 its reverse (22311011233113), we get a palindrome (53444222244435).

The spelling of 31133211011322 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred eleven million, eleven thousand, three hundred twenty-two".