32131213031 has 8 divisors (see below), whose sum is σ = 33012667200. Its totient is φ = 31250445408.

The previous prime is 32131212977. The next prime is 32131213061. The reversal of 32131213031 is 13031213123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32131213031 is a prime.

It is a super-2 number, since 2×32131213031² (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 = 32131212994 and 32131213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131213061) 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 7 ways as a sum of consecutive naturals, for example, 76031 + ... + 264656.

It is an arithmetic number, because the mean of its divisors is an integer number (4126583400).

Almost surely, 2^32131213031 is an apocalyptic number.

32131213031 is a deficient number, since it is larger than the sum of its proper divisors (881454169).

32131213031 is a wasteful number, since it uses less digits than its factorization.

32131213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343273.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 32131213031 its reverse (13031213123), we get a palindrome (45162426154).

The spelling of 32131213031 in words is "thirty-two billion, one hundred thirty-one million, two hundred thirteen thousand, thirty-one".