1201310233311 has 32 divisors (see below), whose sum is σ = 1628424345600. Its totient is φ = 787594721760.

The previous prime is 1201310233283. The next prime is 1201310233337. The reversal of 1201310233311 is 1133320131021.

It is a happy number.

It is not a de Polignac number, because 1201310233311 - 2⁷ = 1201310233183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201310233381) 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, 149060400 + ... + 149068458.

It is an arithmetic number, because the mean of its divisors is an integer number (50888260800).

Almost surely, 2^{1201310233311} is an apocalyptic number.

1201310233311 is a deficient number, since it is larger than the sum of its proper divisors (427114112289).

1201310233311 is an equidigital number, since it uses as much as digits as its factorization.

1201310233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819.

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

Adding to 1201310233311 its reverse (1133320131021), we get a palindrome (2334630364332).

The spelling of 1201310233311 in words is "one trillion, two hundred one billion, three hundred ten million, two hundred thirty-three thousand, three hundred eleven".