1311234141 has 8 divisors (see below), whose sum is σ = 1998071104. Its totient is φ = 749276640.

The previous prime is 1311234107. The next prime is 1311234149. The reversal of 1311234141 is 1414321131.

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

It is not a de Polignac number, because 1311234141 - 2¹⁵ = 1311201373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62439721 = 1311234141 / (1 + 3 + 1 + 1 + 2 + 3 + 4 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311234149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31219840 + ... + 31219881.

It is an arithmetic number, because the mean of its divisors is an integer number (249758888).

Almost surely, 2^1311234141 is an apocalyptic number.

It is an amenable number.

1311234141 is a deficient number, since it is larger than the sum of its proper divisors (686836963).

1311234141 is an equidigital number, since it uses as much as digits as its factorization.

1311234141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62439731.

The product of its digits is 288, while the sum is 21.

The square root of 1311234141 is about 36210.9671370429. The cubic root of 1311234141 is about 1094.5276810382.

Adding to 1311234141 its reverse (1414321131), we get a palindrome (2725555272).

The spelling of 1311234141 in words is "one billion, three hundred eleven million, two hundred thirty-four thousand, one hundred forty-one".