121310334351 has 6 divisors (see below), whose sum is σ = 175226038520. Its totient is φ = 80873556228.

The previous prime is 121310334331. The next prime is 121310334403. The reversal of 121310334351 is 153433013121.

121310334351 is a `hidden beast` number, since 1 + 2 + 1 + 310 + 3 + 343 + 5 + 1 = 666.

It is not a de Polignac number, because 121310334351 - 2⁶ = 121310334287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310334331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6739463011 + ... + 6739463028.

Almost surely, 2^121310334351 is an apocalyptic number.

121310334351 is a deficient number, since it is larger than the sum of its proper divisors (53915704169).

121310334351 is a wasteful number, since it uses less digits than its factorization.

121310334351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478926045 (or 13478926042 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 121310334351 its reverse (153433013121), we get a palindrome (274743347472).

The spelling of 121310334351 in words is "one hundred twenty-one billion, three hundred ten million, three hundred thirty-four thousand, three hundred fifty-one".