201001323311031 has 8 divisors (see below), whose sum is σ = 268010490541680. Its totient is φ = 133996519143872.

The previous prime is 201001323311027. The next prime is 201001323311099. The reversal of 201001323311031 is 130113323100102.

It is a happy number.

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 201001323311031 - 2² = 201001323311027 is a prime.

It is a super-2 number, since 2×201001323311031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201001323310989 and 201001323311007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001323311531) 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, 1090658376 + ... + 1090842653.

It is an arithmetic number, because the mean of its divisors is an integer number (33501311317710).

Almost surely, 2^{201001323311031} is an apocalyptic number.

201001323311031 is a deficient number, since it is larger than the sum of its proper divisors (67009167230649).

201001323311031 is a wasteful number, since it uses less digits than its factorization.

201001323311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181531745.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 201001323311031 its reverse (130113323100102), we get a palindrome (331114646411133).

The spelling of 201001323311031 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred eleven thousand, thirty-one".