3120434401243 has 4 divisors (see below), whose sum is σ = 3303989366040. Its totient is φ = 2936879436448.

The previous prime is 3120434401219. The next prime is 3120434401247. The reversal of 3120434401243 is 3421044340213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3120434401243 - 2²⁵ = 3120400846811 is a prime.

It is a super-2 number, since 2×3120434401243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120434401247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91777482373 + ... + 91777482406.

It is an arithmetic number, because the mean of its divisors is an integer number (825997341510).

Almost surely, 2^{3120434401243} is an apocalyptic number.

3120434401243 is a deficient number, since it is larger than the sum of its proper divisors (183554964797).

3120434401243 is a wasteful number, since it uses less digits than its factorization.

3120434401243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183554964796.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 3120434401243 its reverse (3421044340213), we get a palindrome (6541478741456).

The spelling of 3120434401243 in words is "three trillion, one hundred twenty billion, four hundred thirty-four million, four hundred one thousand, two hundred forty-three".