31233202112019 has 4 divisors (see below), whose sum is σ = 41644269482696. Its totient is φ = 20822134741344.

The previous prime is 31233202111973. The next prime is 31233202112039. The reversal of 31233202112019 is 91021120233213.

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

It is not a de Polignac number, because 31233202112019 - 2⁸ = 31233202111763 is a prime.

It is a super-2 number, since 2×31233202112019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31233202112039) 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, 5205533685334 + ... + 5205533685339.

It is an arithmetic number, because the mean of its divisors is an integer number (10411067370674).

Almost surely, 2^{31233202112019} is an apocalyptic number.

31233202112019 is a deficient number, since it is larger than the sum of its proper divisors (10411067370677).

31233202112019 is a wasteful number, since it uses less digits than its factorization.

31233202112019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411067370676.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 31233202112019 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred two million, one hundred twelve thousand, nineteen".