1301232001131 has 24 divisors (see below), whose sum is σ = 2014284723360. Its totient is φ = 807344879616.

The previous prime is 1301232001129. The next prime is 1301232001189. The reversal of 1301232001131 is 1311002321031.

1301232001131 is a `hidden beast` number, since 1 + 301 + 2 + 320 + 0 + 11 + 31 = 666.

It is not a de Polignac number, because 1301232001131 - 2¹ = 1301232001129 is a prime.

It is a super-2 number, since 2×1301232001131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301232001031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84940246 + ... + 84955563.

It is an arithmetic number, because the mean of its divisors is an integer number (83928530140).

Almost surely, 2^{1301232001131} is an apocalyptic number.

1301232001131 is a deficient number, since it is larger than the sum of its proper divisors (713052722229).

1301232001131 is a wasteful number, since it uses less digits than its factorization.

1301232001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169895875 (or 169895872 counting only the distinct ones).

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

Adding to 1301232001131 its reverse (1311002321031), we get a palindrome (2612234322162).

The spelling of 1301232001131 in words is "one trillion, three hundred one billion, two hundred thirty-two million, one thousand, one hundred thirty-one".