1231301132001 has 48 divisors (see below), whose sum is σ = 1934347006800. Its totient is φ = 751590088704.

The previous prime is 1231301131993. The next prime is 1231301132029. The reversal of 1231301132001 is 1002311031321.

1231301132001 is a `hidden beast` number, since 1 + 231 + 301 + 132 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 764839451601 + 466461680400 = 874551^2 + 682980^2 .

It is not a de Polignac number, because 1231301132001 - 2³ = 1231301131993 is a prime.

It is a super-2 number, since 2×1231301132001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231301132051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55630905 + ... + 55653033.

It is an arithmetic number, because the mean of its divisors is an integer number (40298895975).

Almost surely, 2^{1231301132001} is an apocalyptic number.

It is an amenable number.

1231301132001 is a deficient number, since it is larger than the sum of its proper divisors (703045874799).

1231301132001 is a wasteful number, since it uses less digits than its factorization.

1231301132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32018 (or 32015 counting only the distinct ones).

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

Adding to 1231301132001 its reverse (1002311031321), we get a palindrome (2233612163322).

The spelling of 1231301132001 in words is "one trillion, two hundred thirty-one billion, three hundred one million, one hundred thirty-two thousand, one".