131434311 has 8 divisors (see below), whose sum is σ = 175311360. Its totient is φ = 87590072.

The previous prime is 131434309. The next prime is 131434313. The reversal of 131434311 is 113434131.

It is an interprime number because it is at equal distance from previous prime (131434309) and next prime (131434313).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131434311 - 2¹ = 131434309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (21913920).

Almost surely, 2^131434311 is an apocalyptic number.

131434311 is a deficient number, since it is larger than the sum of its proper divisors (43877049).

131434311 is a wasteful number, since it uses less digits than its factorization.

131434311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16405.

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

The square root of 131434311 is about 11464.4804068915. The cubic root of 131434311 is about 508.4359503545.

Adding to 131434311 its reverse (113434131), we get a palindrome (244868442).

The spelling of 131434311 in words is "one hundred thirty-one million, four hundred thirty-four thousand, three hundred eleven".