3123311120431 has 8 divisors (see below), whose sum is σ = 3126038797440. Its totient is φ = 3120584220192.

The previous prime is 3123311120417. The next prime is 3123311120453. The reversal of 3123311120431 is 1340211133213.

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 3123311120431 - 2²³ = 3123302731823 is a prime.

It is a super-2 number, since 2×3123311120431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123311120396 and 3123311120405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123311129431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8001601 + ... + 8382853.

It is an arithmetic number, because the mean of its divisors is an integer number (390754849680).

Almost surely, 2^{3123311120431} is an apocalyptic number.

3123311120431 is a deficient number, since it is larger than the sum of its proper divisors (2727677009).

3123311120431 is a wasteful number, since it uses less digits than its factorization.

3123311120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388385.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 3123311120431 its reverse (1340211133213), we get a palindrome (4463522253644).

The spelling of 3123311120431 in words is "three trillion, one hundred twenty-three billion, three hundred eleven million, one hundred twenty thousand, four hundred thirty-one".