32146442031 has 16 divisors (see below), whose sum is σ = 48266800128. Its totient is φ = 18854217600.

The previous prime is 32146442021. The next prime is 32146442047. The reversal of 32146442031 is 13024464123.

It is a de Polignac number, because none of the positive numbers 2^k-32146442031 is a prime.

It is a super-2 number, since 2×32146442031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32146442031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32146442021) 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, 15710826 + ... + 15712871.

It is an arithmetic number, because the mean of its divisors is an integer number (3016675008).

Almost surely, 2^32146442031 is an apocalyptic number.

32146442031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32146442031 is a deficient number, since it is larger than the sum of its proper divisors (16120358097).

32146442031 is a wasteful number, since it uses less digits than its factorization.

32146442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31423742.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 32146442031 in words is "thirty-two billion, one hundred forty-six million, four hundred forty-two thousand, thirty-one".