1201311113304 has 32 divisors (see below), whose sum is σ = 3016167401520. Its totient is φ = 398718422016.

The previous prime is 1201311113291. The next prime is 1201311113309. The reversal of 1201311113304 is 4033111131021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201311113309) 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, 107407777 + ... + 107418960.

Almost surely, 2^{1201311113304} is an apocalyptic number.

It is an amenable number.

1201311113304 is an abundant number, since it is smaller than the sum of its proper divisors (1814856288216).

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

1201311113304 is a wasteful number, since it uses less digits than its factorization.

1201311113304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214826979 (or 214826975 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1201311113304 its reverse (4033111131021), we get a palindrome (5234422244325).

The spelling of 1201311113304 in words is "one trillion, two hundred one billion, three hundred eleven million, one hundred thirteen thousand, three hundred four".