210030312195 has 96 divisors (see below), whose sum is σ = 408215808000. Its totient is φ = 99016404480.

The previous prime is 210030312157. The next prime is 210030312197. The reversal of 210030312195 is 591213030012.

It is not a de Polignac number, because 210030312195 - 2²¹ = 210028215043 is a prime.

It is a super-2 number, since 2×210030312195² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210030312197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4724431 + ... + 4768679.

It is an arithmetic number, because the mean of its divisors is an integer number (4252248000).

Almost surely, 2^210030312195 is an apocalyptic number.

210030312195 is a deficient number, since it is larger than the sum of its proper divisors (198185495805).

210030312195 is a wasteful number, since it uses less digits than its factorization.

210030312195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44537 (or 44534 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

It can be divided in two parts, 210030 and 312195, that added together give a palindrome (522225).

The spelling of 210030312195 in words is "two hundred ten billion, thirty million, three hundred twelve thousand, one hundred ninety-five".