310000000000121 has 8 divisors (see below), whose sum is σ = 312262663419840. Its totient is φ = 307737800117712.

The previous prime is 310000000000099. The next prime is 310000000000139. The reversal of 310000000000121 is 121000000000013.

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

It is a cyclic number.

It is not a de Polignac number, because 310000000000121 - 2²² = 309999995805817 is a prime.

It is a super-2 number, since 2×310000000000121² (a number of 30 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 = 310000000000099 and 310000000000108.

It is not an unprimeable number, because it can be changed into a prime (310000000009121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114541850 + ... + 117217043.

It is an arithmetic number, because the mean of its divisors is an integer number (39032832927480).

Almost surely, 2^{310000000000121} is an apocalyptic number.

It is an amenable number.

310000000000121 is a deficient number, since it is larger than the sum of its proper divisors (2262663419719).

310000000000121 is a wasteful number, since it uses less digits than its factorization.

310000000000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231768655.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 310000000000121 its reverse (121000000000013), we get a palindrome (431000000000134).

It can be divided in two parts, 31000000000012 and 1, that added together give a palindrome (31000000000013).

The spelling of 310000000000121 in words is "three hundred ten trillion, one hundred twenty-one", and thus it is an aban number.