31033112012002 has 4 divisors (see below), whose sum is σ = 46549668018006. Its totient is φ = 15516556006000.

The previous prime is 31033112011949. The next prime is 31033112012003. The reversal of 31033112012002 is 20021021133013.

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

It can be written as a sum of positive squares in only one way, i.e., 16025538182481 + 15007573829521 = 4003191^2 + 3873961^2 .

It is a super-2 number, since 2×31033112012002² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31033112012003) 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 as a sum of consecutive naturals, namely, 7758278002999 + ... + 7758278003002.

Almost surely, 2^{31033112012002} is an apocalyptic number.

31033112012002 is a deficient number, since it is larger than the sum of its proper divisors (15516556006004).

31033112012002 is a wasteful number, since it uses less digits than its factorization.

31033112012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516556006003.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31033112012002 its reverse (20021021133013), we get a palindrome (51054133145015).

The spelling of 31033112012002 in words is "thirty-one trillion, thirty-three billion, one hundred twelve million, twelve thousand, two".