31332012013031 has 8 divisors (see below), whose sum is σ = 31570532541600. Its totient is φ = 31093867999008.

The previous prime is 31332012013021. The next prime is 31332012013039. The reversal of 31332012013031 is 13031021023313.

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-31332012013031 is a prime.

It is a super-2 number, since 2×31332012013031² (a number of 28 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 = 31332012012988 and 31332012013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332012013039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93961571 + ... + 94294436.

It is an arithmetic number, because the mean of its divisors is an integer number (3946316567700).

Almost surely, 2^{31332012013031} is an apocalyptic number.

31332012013031 is a deficient number, since it is larger than the sum of its proper divisors (238520528569).

31332012013031 is a wasteful number, since it uses less digits than its factorization.

31332012013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188257273.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31332012013031 its reverse (13031021023313), we get a palindrome (44363033036344).

The spelling of 31332012013031 in words is "thirty-one trillion, three hundred thirty-two billion, twelve million, thirteen thousand, thirty-one".