32120013031 has 4 divisors (see below), whose sum is σ = 32438033064. Its totient is φ = 31801993000.

The previous prime is 32120013017. The next prime is 32120013041. The reversal of 32120013031 is 13031002123.

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 32120013031 - 2¹⁹ = 32119488743 is a prime.

It is a super-2 number, since 2×32120013031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32120012996 and 32120013014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120013041) 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, 159009865 + ... + 159010066.

It is an arithmetic number, because the mean of its divisors is an integer number (8109508266).

Almost surely, 2^32120013031 is an apocalyptic number.

32120013031 is a deficient number, since it is larger than the sum of its proper divisors (318020033).

32120013031 is a wasteful number, since it uses less digits than its factorization.

32120013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318020032.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 32120013031 its reverse (13031002123), we get a palindrome (45151015154).

The spelling of 32120013031 in words is "thirty-two billion, one hundred twenty million, thirteen thousand, thirty-one".