311243130411 has 8 divisors (see below), whose sum is σ = 428377641984. Its totient is φ = 200802019560.

The previous prime is 311243130409. The next prime is 311243130427. The reversal of 311243130411 is 114031342113.

It is a happy number.

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

It is not a de Polignac number, because 311243130411 - 2¹ = 311243130409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311243130481) 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, 1673350071 + ... + 1673350256.

It is an arithmetic number, because the mean of its divisors is an integer number (53547205248).

Almost surely, 2^311243130411 is an apocalyptic number.

311243130411 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

311243130411 is a deficient number, since it is larger than the sum of its proper divisors (117134511573).

311243130411 is a wasteful number, since it uses less digits than its factorization.

311243130411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346700361.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 311243130411 its reverse (114031342113), we get a palindrome (425274472524).

The spelling of 311243130411 in words is "three hundred eleven billion, two hundred forty-three million, one hundred thirty thousand, four hundred eleven".