121301031313 has 16 divisors (see below), whose sum is σ = 151323882624. Its totient is φ = 94463141760.

The previous prime is 121301031253. The next prime is 121301031323. The reversal of 121301031313 is 313130103121.

It is a cyclic number.

It is not a de Polignac number, because 121301031313 - 2²¹ = 121298934161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121301031323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347770 + ... + 602947.

It is an arithmetic number, because the mean of its divisors is an integer number (9457742664).

Almost surely, 2^121301031313 is an apocalyptic number.

It is an amenable number.

121301031313 is a deficient number, since it is larger than the sum of its proper divisors (30022851311).

121301031313 is a wasteful number, since it uses less digits than its factorization.

121301031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952392.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121301031313 its reverse (313130103121), we get a palindrome (434431134434).

The spelling of 121301031313 in words is "one hundred twenty-one billion, three hundred one million, thirty-one thousand, three hundred thirteen".