301213312131 has 4 divisors (see below), whose sum is σ = 401617749512. Its totient is φ = 200808874752.

The previous prime is 301213312111. The next prime is 301213312133. The reversal of 301213312131 is 131213312103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131213312103 = 3 ⋅43737770701.

It is not a de Polignac number, because 301213312131 - 2¹⁵ = 301213279363 is a prime.

It is a super-2 number, since 2×301213312131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301213312098 and 301213312107.

It is not an unprimeable number, because it can be changed into a prime (301213312133) 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, 50202218686 + ... + 50202218691.

It is an arithmetic number, because the mean of its divisors is an integer number (100404437378).

Almost surely, 2^301213312131 is an apocalyptic number.

301213312131 is a deficient number, since it is larger than the sum of its proper divisors (100404437381).

301213312131 is a wasteful number, since it uses less digits than its factorization.

301213312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100404437380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 301213312131 its reverse (131213312103), we get a palindrome (432426624234).

The spelling of 301213312131 in words is "three hundred one billion, two hundred thirteen million, three hundred twelve thousand, one hundred thirty-one".