3121342423203 has 16 divisors (see below), whose sum is σ = 4169554099200. Its totient is φ = 2077014244800.

The previous prime is 3121342423163. The next prime is 3121342423253. The reversal of 3121342423203 is 3023242431213.

It is a happy number.

It is not a de Polignac number, because 3121342423203 - 2¹⁰ = 3121342422179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121342423253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8913538 + ... + 9257096.

It is an arithmetic number, because the mean of its divisors is an integer number (260597131200).

Almost surely, 2^{3121342423203} is an apocalyptic number.

3121342423203 is a deficient number, since it is larger than the sum of its proper divisors (1048211675997).

3121342423203 is a wasteful number, since it uses less digits than its factorization.

3121342423203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349202.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 3121342423203 its reverse (3023242431213), we get a palindrome (6144584854416).

The spelling of 3121342423203 in words is "three trillion, one hundred twenty-one billion, three hundred forty-two million, four hundred twenty-three thousand, two hundred three".