31020331201 has 8 divisors (see below), whose sum is σ = 31187672064. Its totient is φ = 30853042080.

The previous prime is 31020331189. The next prime is 31020331253. The reversal of 31020331201 is 10213302013.

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 31020331201 - 2⁵ = 31020331169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020331261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145940 + ... + 2160346.

It is an arithmetic number, because the mean of its divisors is an integer number (3898459008).

Almost surely, 2^31020331201 is an apocalyptic number.

It is an amenable number.

31020331201 is a deficient number, since it is larger than the sum of its proper divisors (167340863).

31020331201 is a wasteful number, since it uses less digits than its factorization.

31020331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25871.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31020331201 its reverse (10213302013), we get a palindrome (41233633214).

The spelling of 31020331201 in words is "thirty-one billion, twenty million, three hundred thirty-one thousand, two hundred one".