203312101220330 has 8 divisors (see below), whose sum is σ = 365961782196612. Its totient is φ = 81324840488128.

The previous prime is 203312101220299. The next prime is 203312101220357. The reversal of 203312101220330 is 33022101213302.

It can be written as a sum of positive squares in 2 ways, for example, as 184827097482769 + 18485003737561 = 13595113^2 + 4299419^2 .

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

It is a super-2 number, since 2×203312101220330² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203312101220296 and 203312101220305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10165605061007 + ... + 10165605061026.

Almost surely, 2^{203312101220330} is an apocalyptic number.

203312101220330 is a deficient number, since it is larger than the sum of its proper divisors (162649680976282).

203312101220330 is a wasteful number, since it uses less digits than its factorization.

203312101220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20331210122040.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203312101220330 its reverse (33022101213302), we get a palindrome (236334202433632).

The spelling of 203312101220330 in words is "two hundred three trillion, three hundred twelve billion, one hundred one million, two hundred twenty thousand, three hundred thirty".