11201312531003 has 16 divisors (see below), whose sum is σ = 12977038373376. Its totient is φ = 9469474827840.

The previous prime is 11201312530999. The next prime is 11201312531063. The reversal of 11201312531003 is 30013521310211.

It is a cyclic number.

It is not a de Polignac number, because 11201312531003 - 2² = 11201312530999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11201312531003.

It is not an unprimeable number, because it can be changed into a prime (11201312531063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74297168 + ... + 74447778.

It is an arithmetic number, because the mean of its divisors is an integer number (811064898336).

Almost surely, 2^{11201312531003} is an apocalyptic number.

11201312531003 is a deficient number, since it is larger than the sum of its proper divisors (1775725842373).

11201312531003 is a wasteful number, since it uses less digits than its factorization.

11201312531003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296234.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 11201312531003 its reverse (30013521310211), we get a palindrome (41214833841214).

The spelling of 11201312531003 in words is "eleven trillion, two hundred one billion, three hundred twelve million, five hundred thirty-one thousand, three".