1601730331429 has 16 divisors (see below), whose sum is σ = 1688958089280. Its totient is φ = 1514796042240.

The previous prime is 1601730331387. The next prime is 1601730331441. The reversal of 1601730331429 is 9241330371061.

It is a cyclic number.

It is not a de Polignac number, because 1601730331429 - 2¹⁹ = 1601729807141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1601730331391 and 1601730331400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601730331469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126984127 + ... + 126996739.

It is an arithmetic number, because the mean of its divisors is an integer number (105559880580).

Almost surely, 2^{1601730331429} is an apocalyptic number.

1601730331429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1601730331429 is a deficient number, since it is larger than the sum of its proper divisors (87227757851).

1601730331429 is a wasteful number, since it uses less digits than its factorization.

1601730331429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23700.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 1601730331429 in words is "one trillion, six hundred one billion, seven hundred thirty million, three hundred thirty-one thousand, four hundred twenty-nine".