32404440430131 has 144 divisors (see below), whose sum is σ = 55739863130112. Its totient is φ = 16682795458560.

The previous prime is 32404440430069. The next prime is 32404440430283. The reversal of 32404440430131 is 13103404440423.

It is not a de Polignac number, because 32404440430131 - 2¹⁹ = 32404439905843 is a prime.

It is a super-2 number, since 2×32404440430131² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 32404440430092 and 32404440430101.

It is not an unprimeable number, because it can be changed into a prime (32404440430331) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2220539571 + ... + 2220554163.

It is an arithmetic number, because the mean of its divisors is an integer number (387082382848).

Almost surely, 2^{32404440430131} is an apocalyptic number.

32404440430131 is a deficient number, since it is larger than the sum of its proper divisors (23335422699981).

32404440430131 is a wasteful number, since it uses less digits than its factorization.

32404440430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15742 (or 15724 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 32404440430131 its reverse (13103404440423), we get a palindrome (45507844870554).

The spelling of 32404440430131 in words is "thirty-two trillion, four hundred four billion, four hundred forty million, four hundred thirty thousand, one hundred thirty-one".