3123014431021 has 8 divisors (see below), whose sum is σ = 3207449540984. Its totient is φ = 3038580864000.

The previous prime is 3123014430989. The next prime is 3123014431099. The reversal of 3123014431021 is 1201344103213.

3123014431021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 832362450921 + 2290651980100 = 912339^2 + 1513490^2 .

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 3123014431021 - 2⁵ = 3123014430989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123014438021) 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, 4564321 + ... + 5203753.

It is an arithmetic number, because the mean of its divisors is an integer number (400931192623).

Almost surely, 2^{3123014431021} is an apocalyptic number.

It is an amenable number.

3123014431021 is a deficient number, since it is larger than the sum of its proper divisors (84435109963).

3123014431021 is a wasteful number, since it uses less digits than its factorization.

3123014431021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771471.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 3123014431021 its reverse (1201344103213), we get a palindrome (4324358534234).

The spelling of 3123014431021 in words is "three trillion, one hundred twenty-three billion, fourteen million, four hundred thirty-one thousand, twenty-one".