31030222133 has 8 divisors (see below), whose sum is σ = 31439691360. Its totient is φ = 30623022000.

The previous prime is 31030222121. The next prime is 31030222141. The reversal of 31030222133 is 33122203013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31030222133 - 2⁸ = 31030221877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030222163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539735 + ... + 594452.

It is an arithmetic number, because the mean of its divisors is an integer number (3929961420).

Almost surely, 2^31030222133 is an apocalyptic number.

It is an amenable number.

31030222133 is a deficient number, since it is larger than the sum of its proper divisors (409469227).

31030222133 is a wasteful number, since it uses less digits than its factorization.

31030222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134547.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31030222133 its reverse (33122203013), we get a palindrome (64152425146).

The spelling of 31030222133 in words is "thirty-one billion, thirty million, two hundred twenty-two thousand, one hundred thirty-three".