13442146012431 has 6 divisors (see below), whose sum is σ = 19416433129080. Its totient is φ = 8961430674948.

The previous prime is 13442146012411. The next prime is 13442146012453. The reversal of 13442146012431 is 13421064124431.

It is a happy number.

13442146012431 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 2 + 1 + 4 + 601 + 2 + 43 + 1 = 666.

It is not a de Polignac number, because 13442146012431 - 2²⁵ = 13442112457999 is a prime.

It is a super-2 number, since 2×13442146012431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442146012411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746785889571 + ... + 746785889588.

It is an arithmetic number, because the mean of its divisors is an integer number (3236072188180).

Almost surely, 2^{13442146012431} is an apocalyptic number.

13442146012431 is a deficient number, since it is larger than the sum of its proper divisors (5974287116649).

13442146012431 is a wasteful number, since it uses less digits than its factorization.

13442146012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493571779165 (or 1493571779162 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 13442146012431 in words is "thirteen trillion, four hundred forty-two billion, one hundred forty-six million, twelve thousand, four hundred thirty-one".