31020010221201 has 8 divisors (see below), whose sum is σ = 42786220994880. Its totient is φ = 19966903130832.

The previous prime is 31020010221139. The next prime is 31020010221247. The reversal of 31020010221201 is 10212201002013.

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

It is not a de Polignac number, because 31020010221201 - 2⁷ = 31020010221073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31020010220201) 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, 178275920725 + ... + 178275920898.

It is an arithmetic number, because the mean of its divisors is an integer number (5348277624360).

Almost surely, 2^{31020010221201} is an apocalyptic number.

It is an amenable number.

31020010221201 is a deficient number, since it is larger than the sum of its proper divisors (11766210773679).

31020010221201 is a wasteful number, since it uses less digits than its factorization.

31020010221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356551841655.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31020010221201 its reverse (10212201002013), we get a palindrome (41232211223214).

The spelling of 31020010221201 in words is "thirty-one trillion, twenty billion, ten million, two hundred twenty-one thousand, two hundred one".