31020011120201 has 8 divisors (see below), whose sum is σ = 32090157957000. Its totient is φ = 29949897035520.

The previous prime is 31020011120101. The next prime is 31020011120233. The reversal of 31020011120201 is 10202111002013.

It can be written as a sum of positive squares in 4 ways, for example, as 2492672592400 + 28527338527801 = 1578820^2 + 5341099^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31020011120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020011120261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6253376 + ... + 10057073.

It is an arithmetic number, because the mean of its divisors is an integer number (4011269744625).

Almost surely, 2^{31020011120201} is an apocalyptic number.

It is an amenable number.

31020011120201 is a deficient number, since it is larger than the sum of its proper divisors (1070146836799).

31020011120201 is a wasteful number, since it uses less digits than its factorization.

31020011120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16376059.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31020011120201 its reverse (10202111002013), we get a palindrome (41222122122214).

The spelling of 31020011120201 in words is "thirty-one trillion, twenty billion, eleven million, one hundred twenty thousand, two hundred one".