10000313121 has 32 divisors (see below), whose sum is σ = 14614179840. Its totient is φ = 6056902656.

The previous prime is 10000313117. The next prime is 10000313123. The reversal of 10000313121 is 12131300001.

It is not a de Polignac number, because 10000313121 - 2² = 10000313117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000313097 and 10000313106.

It is not an unprimeable number, because it can be changed into a prime (10000313123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218785 + ... + 260513.

It is an arithmetic number, because the mean of its divisors is an integer number (456693120).

Almost surely, 2^10000313121 is an apocalyptic number.

It is an amenable number.

10000313121 is a deficient number, since it is larger than the sum of its proper divisors (4613866719).

10000313121 is a wasteful number, since it uses less digits than its factorization.

10000313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41913.

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

Adding to 10000313121 its reverse (12131300001), we get a palindrome (22131613122).

The spelling of 10000313121 in words is "ten billion, three hundred thirteen thousand, one hundred twenty-one".