1231130313201 has 32 divisors (see below), whose sum is σ = 1730764505088. Its totient is φ = 777264333120.

The previous prime is 1231130313199. The next prime is 1231130313223. The reversal of 1231130313201 is 1023130311321.

It is a happy number.

It is not a de Polignac number, because 1231130313201 - 2¹ = 1231130313199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231130313701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37779751 + ... + 37812323.

It is an arithmetic number, because the mean of its divisors is an integer number (54086390784).

Almost surely, 2^{1231130313201} is an apocalyptic number.

It is an amenable number.

1231130313201 is a deficient number, since it is larger than the sum of its proper divisors (499634191887).

1231130313201 is a wasteful number, since it uses less digits than its factorization.

1231130313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41301.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1231130313201 its reverse (1023130311321), we get a palindrome (2254260624522).

The spelling of 1231130313201 in words is "one trillion, two hundred thirty-one billion, one hundred thirty million, three hundred thirteen thousand, two hundred one".