201030003111031 has 4 divisors (see below), whose sum is σ = 201771811240864. Its totient is φ = 200288194981200.

The previous prime is 201030003110857. The next prime is 201030003111053. The reversal of 201030003111031 is 130111300030102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201030003111031 - 2¹¹ = 201030003108983 is a prime.

It is a super-2 number, since 2×201030003111031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201030003110996 and 201030003111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030003111061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370904064510 + ... + 370904065051.

It is an arithmetic number, because the mean of its divisors is an integer number (50442952810216).

Almost surely, 2^{201030003111031} is an apocalyptic number.

201030003111031 is a deficient number, since it is larger than the sum of its proper divisors (741808129833).

201030003111031 is an equidigital number, since it uses as much as digits as its factorization.

201030003111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741808129832.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 201030003111031 its reverse (130111300030102), we get a palindrome (331141303141133).

The spelling of 201030003111031 in words is "two hundred one trillion, thirty billion, three million, one hundred eleven thousand, thirty-one".