1361254520331 has 12 divisors (see below), whose sum is σ = 1976237529552. Its totient is φ = 902896398096.

The previous prime is 1361254520323. The next prime is 1361254520401. The reversal of 1361254520331 is 1330254521631.

1361254520331 is a `hidden beast` number, since 1 + 3 + 6 + 125 + 4 + 520 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 1361254520331 - 2³ = 1361254520323 is a prime.

It is a super-3 number, since 3×1361254520331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1361254527331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383882751 + ... + 383886296.

It is an arithmetic number, because the mean of its divisors is an integer number (164686460796).

Almost surely, 2^{1361254520331} is an apocalyptic number.

1361254520331 is a deficient number, since it is larger than the sum of its proper divisors (614983009221).

1361254520331 is a wasteful number, since it uses less digits than its factorization.

1361254520331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767769250 (or 767769247 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1361254520331 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, five hundred twenty thousand, three hundred thirty-one".