3121323301131 has 16 divisors (see below), whose sum is σ = 4758858010368. Its totient is φ = 1782654876000.

The previous prime is 3121323301121. The next prime is 3121323301157. The reversal of 3121323301131 is 1311033231213.

It is not a de Polignac number, because 3121323301131 - 2⁶ = 3121323301067 is a prime.

It is a super-3 number, since 3×3121323301131³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3121323301121) 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, 39894945 + ... + 39973106.

It is an arithmetic number, because the mean of its divisors is an integer number (297428625648).

Almost surely, 2^{3121323301131} is an apocalyptic number.

3121323301131 is a deficient number, since it is larger than the sum of its proper divisors (1637534709237).

3121323301131 is a wasteful number, since it uses less digits than its factorization.

3121323301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79869922.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 3121323301131 its reverse (1311033231213), we get a palindrome (4432356532344).

The spelling of 3121323301131 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred one thousand, one hundred thirty-one".