131401911 has 16 divisors (see below), whose sum is σ = 180379008. Its totient is φ = 85024800.

The previous prime is 131401903. The next prime is 131401957. The reversal of 131401911 is 119104131.

It is not a de Polignac number, because 131401911 - 2³ = 131401903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403911) 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, 53296 + ... + 55706.

It is an arithmetic number, because the mean of its divisors is an integer number (11273688).

Almost surely, 2^131401911 is an apocalyptic number.

131401911 is a deficient number, since it is larger than the sum of its proper divisors (48977097).

131401911 is a wasteful number, since it uses less digits than its factorization.

131401911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 131401911 is about 11463.0672596823. The cubic root of 131401911 is about 508.3941685740.

It can be divided in two parts, 13140 and 1911, that added together give a palindrome (15051).

The spelling of 131401911 in words is "one hundred thirty-one million, four hundred one thousand, nine hundred eleven".