203011013331131 has 32 divisors (see below), whose sum is σ = 213845598720000. Its totient is φ = 192444065170560.

The previous prime is 203011013331109. The next prime is 203011013331179. The reversal of 203011013331131 is 131133310110302.

It is a cyclic number.

It is not a de Polignac number, because 203011013331131 - 2⁶ = 203011013331067 is a prime.

It is a super-2 number, since 2×203011013331131² (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 = 203011013331097 and 203011013331106.

It is not an unprimeable number, because it can be changed into a prime (203011013321131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2974965710 + ... + 2975033948.

It is an arithmetic number, because the mean of its divisors is an integer number (6682674960000).

Almost surely, 2^{203011013331131} is an apocalyptic number.

203011013331131 is a deficient number, since it is larger than the sum of its proper divisors (10834585388869).

203011013331131 is a wasteful number, since it uses less digits than its factorization.

203011013331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71387.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 203011013331131 its reverse (131133310110302), we get a palindrome (334144323441433).

The spelling of 203011013331131 in words is "two hundred three trillion, eleven billion, thirteen million, three hundred thirty-one thousand, one hundred thirty-one".