311482784613 has 64 divisors (see below), whose sum is σ = 557767268352. Its totient is φ = 149322804480.

The previous prime is 311482784551. The next prime is 311482784623. The reversal of 311482784613 is 316487284113.

It is not a de Polignac number, because 311482784613 - 2²⁵ = 311449230181 is a prime.

It is a super-2 number, since 2×311482784613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311482784623) 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 63 ways as a sum of consecutive naturals, for example, 13553070 + ... + 13576032.

It is an arithmetic number, because the mean of its divisors is an integer number (8715113568).

Almost surely, 2^311482784613 is an apocalyptic number.

311482784613 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

311482784613 is a deficient number, since it is larger than the sum of its proper divisors (246284483739).

311482784613 is a wasteful number, since it uses less digits than its factorization.

311482784613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27514.

The product of its digits is 774144, while the sum is 48.

The spelling of 311482784613 in words is "three hundred eleven billion, four hundred eighty-two million, seven hundred eighty-four thousand, six hundred thirteen".