200121031313 has 8 divisors (see below), whose sum is σ = 228714167040. Its totient is φ = 171528999840.

The previous prime is 200121031217. The next prime is 200121031387. The reversal of 200121031313 is 313130121002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121031313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200121031291 and 200121031300.

It is not an unprimeable number, because it can be changed into a prime (200121031013) 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, 157733 + ... + 652013.

It is an arithmetic number, because the mean of its divisors is an integer number (28589270880).

Almost surely, 2^200121031313 is an apocalyptic number.

It is an amenable number.

200121031313 is a deficient number, since it is larger than the sum of its proper divisors (28593135727).

200121031313 is an equidigital number, since it uses as much as digits as its factorization.

200121031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552127.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 200121031313 its reverse (313130121002), we get a palindrome (513251152315).

The spelling of 200121031313 in words is "two hundred billion, one hundred twenty-one million, thirty-one thousand, three hundred thirteen".