121001000313 has 8 divisors (see below), whose sum is σ = 161339558688. Its totient is φ = 80664887744.

The previous prime is 121001000303. The next prime is 121001000327. The reversal of 121001000313 is 313000100121.

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 121001000313 - 2⁴ = 121001000297 is a prime.

It is a super-3 number, since 3×121001000313³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121001000303) 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, 492720 + ... + 696257.

It is an arithmetic number, because the mean of its divisors is an integer number (20167444836).

Almost surely, 2^121001000313 is an apocalyptic number.

It is an amenable number.

121001000313 is a deficient number, since it is larger than the sum of its proper divisors (40338558375).

121001000313 is a wasteful number, since it uses less digits than its factorization.

121001000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222903.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 121001000313 its reverse (313000100121), we get a palindrome (434001100434).

The spelling of 121001000313 in words is "one hundred twenty-one billion, one million, three hundred thirteen", and thus it is an aban number.