1361326145631 has 8 divisors (see below), whose sum is σ = 1817219502384. Its totient is φ = 906491776320.

The previous prime is 1361326145609. The next prime is 1361326145657. The reversal of 1361326145631 is 1365416231631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1361326145631 - 2¹⁹ = 1361325621343 is a prime.

It is a super-2 number, since 2×1361326145631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361326141631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264743860 + ... + 264749001.

It is an arithmetic number, because the mean of its divisors is an integer number (227152437798).

Almost surely, 2^{1361326145631} is an apocalyptic number.

1361326145631 is a deficient number, since it is larger than the sum of its proper divisors (455893356753).

1361326145631 is an equidigital number, since it uses as much as digits as its factorization.

1361326145631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529493721.

The product of its digits is 233280, while the sum is 42.

The spelling of 1361326145631 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, one hundred forty-five thousand, six hundred thirty-one".