1405031321013 has 8 divisors (see below), whose sum is σ = 1937974236000. Its totient is φ = 904387976688.

The previous prime is 1405031321003. The next prime is 1405031321021. The reversal of 1405031321013 is 3101231305041.

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

It is not a de Polignac number, because 1405031321013 - 2⁴ = 1405031320997 is a prime.

It is a super-2 number, since 2×1405031321013² (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 (1405031321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8074892563 + ... + 8074892736.

It is an arithmetic number, because the mean of its divisors is an integer number (242246779500).

Almost surely, 2^{1405031321013} is an apocalyptic number.

It is an amenable number.

1405031321013 is a deficient number, since it is larger than the sum of its proper divisors (532942914987).

1405031321013 is a wasteful number, since it uses less digits than its factorization.

1405031321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16149785331.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1405031321013 its reverse (3101231305041), we get a palindrome (4506262626054).

The spelling of 1405031321013 in words is "one trillion, four hundred five billion, thirty-one million, three hundred twenty-one thousand, thirteen".