131403354320345 has 16 divisors (see below), whose sum is σ = 160376842321920. Its totient is φ = 103327921065984.

The previous prime is 131403354320261. The next prime is 131403354320369. The reversal of 131403354320345 is 543023453304131.

It is a cyclic number.

It is not a de Polignac number, because 131403354320345 - 2¹⁴ = 131403354303961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25719257 + ... + 30402086.

It is an arithmetic number, because the mean of its divisors is an integer number (10023552645120).

Almost surely, 2^{131403354320345} is an apocalyptic number.

It is an amenable number.

131403354320345 is a deficient number, since it is larger than the sum of its proper divisors (28973488001575).

131403354320345 is an equidigital number, since it uses as much as digits as its factorization.

131403354320345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56129344.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 131403354320345 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred fifty-four million, three hundred twenty thousand, three hundred forty-five".