131420311 has 8 divisors (see below), whose sum is σ = 143915904. Its totient is φ = 119016120.

The previous prime is 131420309. The next prime is 131420323. The reversal of 131420311 is 113024131.

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 131420311 - 2¹ = 131420309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131420381) 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, 19821 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (17989488).

Almost surely, 2^131420311 is an apocalyptic number.

131420311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131420311 is a deficient number, since it is larger than the sum of its proper divisors (12495593).

131420311 is a wasteful number, since it uses less digits than its factorization.

131420311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45701.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131420311 is about 11463.8698091002. The cubic root of 131420311 is about 508.4178973413.

Adding to 131420311 its reverse (113024131), we get a palindrome (244444442).

The spelling of 131420311 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred eleven".