32120245202131 has 4 divisors (see below), whose sum is σ = 32207766306592. Its totient is φ = 32032724097672.

The previous prime is 32120245202083. The next prime is 32120245202161. The reversal of 32120245202131 is 13120254202123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32120245202131 - 2⁴¹ = 29921221946579 is a prime.

It is a super-2 number, since 2×32120245202131² (a number of 28 digits) contains 22 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 32120245202131.

It is not an unprimeable number, because it can be changed into a prime (32120245202161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43760551680 + ... + 43760552413.

It is an arithmetic number, because the mean of its divisors is an integer number (8051941576648).

Almost surely, 2^{32120245202131} is an apocalyptic number.

32120245202131 is a deficient number, since it is larger than the sum of its proper divisors (87521104461).

32120245202131 is an equidigital number, since it uses as much as digits as its factorization.

32120245202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87521104460.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 32120245202131 its reverse (13120254202123), we get a palindrome (45240499404254).

The spelling of 32120245202131 in words is "thirty-two trillion, one hundred twenty billion, two hundred forty-five million, two hundred two thousand, one hundred thirty-one".