3121403142322 has 8 divisors (see below), whose sum is σ = 4713528235500. Its totient is φ = 1550227063824.

The previous prime is 3121403142311. The next prime is 3121403142329. The reversal of 3121403142322 is 2232413041213.

It can be written as a sum of positive squares in 2 ways, for example, as 2434657794921 + 686745347401 = 1560339^2 + 828701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3121403142329) 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, 5237253297 + ... + 5237253892.

Almost surely, 2^{3121403142322} is an apocalyptic number.

3121403142322 is a deficient number, since it is larger than the sum of its proper divisors (1592125093178).

3121403142322 is a wasteful number, since it uses less digits than its factorization.

3121403142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474507340.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 3121403142322 its reverse (2232413041213), we get a palindrome (5353816183535).

The spelling of 3121403142322 in words is "three trillion, one hundred twenty-one billion, four hundred three million, one hundred forty-two thousand, three hundred twenty-two".