1311233133001 has 32 divisors (see below), whose sum is σ = 1453709207808. Its totient is φ = 1172802723840.

The previous prime is 1311233132977. The next prime is 1311233133019. The reversal of 1311233133001 is 1003313321131.

It is not a de Polignac number, because 1311233133001 - 2⁷ = 1311233132873 is a prime.

It is a super-3 number, since 3×1311233133001³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311233133061) 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, 187395835 + ... + 187402831.

It is an arithmetic number, because the mean of its divisors is an integer number (45428412744).

Almost surely, 2^{1311233133001} is an apocalyptic number.

1311233133001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1311233133001 is a deficient number, since it is larger than the sum of its proper divisors (142476074807).

1311233133001 is a wasteful number, since it uses less digits than its factorization.

1311233133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1311233133001 its reverse (1003313321131), we get a palindrome (2314546454132).

The spelling of 1311233133001 in words is "one trillion, three hundred eleven billion, two hundred thirty-three million, one hundred thirty-three thousand, one".