131303403011 has 6 divisors (see below), whose sum is σ = 144325228236. Its totient is φ = 119366729900.

The previous prime is 131303402987. The next prime is 131303403041. The reversal of 131303403011 is 110304303131.

It is not a de Polignac number, because 131303403011 - 2¹⁸ = 131303140867 is a prime.

It is a super-2 number, since 2×131303403011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303403041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 542575925 + ... + 542576166.

It is an arithmetic number, because the mean of its divisors is an integer number (24054204706).

Almost surely, 2^131303403011 is an apocalyptic number.

131303403011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131303403011 is a deficient number, since it is larger than the sum of its proper divisors (13021825225).

131303403011 is a wasteful number, since it uses less digits than its factorization.

131303403011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085152113 (or 1085152102 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131303403011 its reverse (110304303131), we get a palindrome (241607706142).

The spelling of 131303403011 in words is "one hundred thirty-one billion, three hundred three million, four hundred three thousand, eleven".