131403430011 has 16 divisors (see below), whose sum is σ = 207138412800. Its totient is φ = 72498443808.

The previous prime is 131403430009. The next prime is 131403430043. The reversal of 131403430011 is 110034304131.

It is not a de Polignac number, because 131403430011 - 2¹ = 131403430009 is a prime.

It is a super-2 number, since 2×131403430011² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 131403430011.

It is not an unprimeable number, because it can be changed into a prime (131403430211) 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, 107883981 + ... + 107885198.

It is an arithmetic number, because the mean of its divisors is an integer number (12946150800).

Almost surely, 2^131403430011 is an apocalyptic number.

131403430011 is a deficient number, since it is larger than the sum of its proper divisors (75734982789).

131403430011 is a wasteful number, since it uses less digits than its factorization.

131403430011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215769218.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131403430011 its reverse (110034304131), we get a palindrome (241437734142).

The spelling of 131403430011 in words is "one hundred thirty-one billion, four hundred three million, four hundred thirty thousand, eleven".