201001320231031 has 8 divisors (see below), whose sum is σ = 202894448945760. Its totient is φ = 199109083878432.

The previous prime is 201001320230969. The next prime is 201001320231053. The reversal of 201001320231031 is 130132023100102.

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 201001320231031 - 2¹³ = 201001320222839 is a prime.

It is a super-2 number, since 2×201001320231031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001320231931) 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, 222637915 + ... + 223538908.

It is an arithmetic number, because the mean of its divisors is an integer number (25361806118220).

Almost surely, 2^{201001320231031} is an apocalyptic number.

201001320231031 is a deficient number, since it is larger than the sum of its proper divisors (1893128714729).

201001320231031 is a wasteful number, since it uses less digits than its factorization.

201001320231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446181065.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201001320231031 its reverse (130132023100102), we get a palindrome (331133343331133).

The spelling of 201001320231031 in words is "two hundred one trillion, one billion, three hundred twenty million, two hundred thirty-one thousand, thirty-one".