201211313130 has 48 divisors (see below), whose sum is σ = 523197238824. Its totient is φ = 53651445120.

The previous prime is 201211313003. The next prime is 201211313131. The reversal of 201211313130 is 31313112102.

201211313130 is a `hidden beast` number, since 201 + 21 + 1 + 313 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 144072625761 + 57138687369 = 379569^2 + 239037^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201211313131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 947340 + ... + 1140120.

Almost surely, 2^201211313130 is an apocalyptic number.

201211313130 is an abundant number, since it is smaller than the sum of its proper divisors (321985925694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211313130 is a wasteful number, since it uses less digits than its factorization.

201211313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204391 (or 204388 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 201211313130 its reverse (31313112102), we get a palindrome (232524425232).

The spelling of 201211313130 in words is "two hundred one billion, two hundred eleven million, three hundred thirteen thousand, one hundred thirty".