31322133201 has 4 divisors (see below), whose sum is σ = 41762844272. Its totient is φ = 20881422132.

The previous prime is 31322133187. The next prime is 31322133203. The reversal of 31322133201 is 10233122313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31322133201 - 2¹¹ = 31322131153 is a prime.

It is a super-2 number, since 2×31322133201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322133203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220355531 + ... + 5220355536.

It is an arithmetic number, because the mean of its divisors is an integer number (10440711068).

Almost surely, 2^31322133201 is an apocalyptic number.

It is an amenable number.

31322133201 is a deficient number, since it is larger than the sum of its proper divisors (10440711071).

31322133201 is a wasteful number, since it uses less digits than its factorization.

31322133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440711070.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31322133201 its reverse (10233122313), we get a palindrome (41555255514).

The spelling of 31322133201 in words is "thirty-one billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred one".