201321134030 has 64 divisors (see below), whose sum is σ = 392418017280. Its totient is φ = 74183491200.

The previous prime is 201321134023. The next prime is 201321134057. The reversal of 201321134030 is 30431123102.

It is a junction number, because it is equal to n+sod(n) for n = 201321133993 and 201321134011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480587 + ... + 795993.

It is an arithmetic number, because the mean of its divisors is an integer number (6131531520).

Almost surely, 2^201321134030 is an apocalyptic number.

201321134030 is a deficient number, since it is larger than the sum of its proper divisors (191096883250).

201321134030 is a wasteful number, since it uses less digits than its factorization.

201321134030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315545.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201321134030 its reverse (30431123102), we get a palindrome (231752257132).

The spelling of 201321134030 in words is "two hundred one billion, three hundred twenty-one million, one hundred thirty-four thousand, thirty".