131430111 has 32 divisors (see below), whose sum is σ = 194918400. Its totient is φ = 78397440.

The previous prime is 131430109. The next prime is 131430121. The reversal of 131430111 is 111034131.

It is not a de Polignac number, because 131430111 - 2¹ = 131430109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131430121) 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, 92575 + ... + 93983.

It is an arithmetic number, because the mean of its divisors is an integer number (6091200).

Almost surely, 2^131430111 is an apocalyptic number.

131430111 is a deficient number, since it is larger than the sum of its proper divisors (63488289).

131430111 is a wasteful number, since it uses less digits than its factorization.

131430111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 131430111 is about 11464.2972309688. The cubic root of 131430111 is about 508.4305345851.

Adding to 131430111 its reverse (111034131), we get a palindrome (242464242).

The spelling of 131430111 in words is "one hundred thirty-one million, four hundred thirty thousand, one hundred eleven".