3121343023 has 2 divisors, whose sum is σ = 3121343024. Its totient is φ = 3121343022.

The previous prime is 3121342969. The next prime is 3121343033. The reversal of 3121343023 is 3203431213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3121343023 - 2¹³ = 3121334831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121342985 and 3121343003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121343033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560671511 + 1560671512.

It is an arithmetic number, because the mean of its divisors is an integer number (1560671512).

Almost surely, 2^3121343023 is an apocalyptic number.

3121343023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121343023 is an equidigital number, since it uses as much as digits as its factorization.

3121343023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3121343023 is about 55868.9808659510. The cubic root of 3121343023 is about 1461.4383496688.

Adding to 3121343023 its reverse (3203431213), we get a palindrome (6324774236).

The spelling of 3121343023 in words is "three billion, one hundred twenty-one million, three hundred forty-three thousand, twenty-three".