32120434103513 has 12 divisors (see below), whose sum is σ = 37364691872052. Its totient is φ = 27531723098880.

The previous prime is 32120434103509. The next prime is 32120434103533. The reversal of 32120434103513 is 31530143402123.

It can be written as a sum of positive squares in 2 ways, for example, as 7484618054809 + 24635816048704 = 2735803^2 + 4963448^2 .

It is not a de Polignac number, because 32120434103513 - 2² = 32120434103509 is a prime.

It is a super-4 number, since 4×32120434103513⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32120434103513.

It is not an unprimeable number, because it can be changed into a prime (32120434103503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22808981 + ... + 24176237.

It is an arithmetic number, because the mean of its divisors is an integer number (3113724322671).

Almost surely, 2^{32120434103513} is an apocalyptic number.

It is an amenable number.

32120434103513 is a deficient number, since it is larger than the sum of its proper divisors (5244257768539).

32120434103513 is a wasteful number, since it uses less digits than its factorization.

32120434103513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846712 (or 1846705 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 32120434103513 its reverse (31530143402123), we get a palindrome (63650577505636).

The spelling of 32120434103513 in words is "thirty-two trillion, one hundred twenty billion, four hundred thirty-four million, one hundred three thousand, five hundred thirteen".