31004112203443 has 8 divisors (see below), whose sum is σ = 31529848109760. Its totient is φ = 30478384379880.

The previous prime is 31004112203429. The next prime is 31004112203497. The reversal of 31004112203443 is 34430221140013.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31004112203443 - 2¹⁷ = 31004112072371 is a prime.

It is a super-2 number, since 2×31004112203443² (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 (31004112503443) 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, 5982508 + ... + 9889318.

It is an arithmetic number, because the mean of its divisors is an integer number (3941231013720).

Almost surely, 2^{31004112203443} is an apocalyptic number.

31004112203443 is a deficient number, since it is larger than the sum of its proper divisors (525735906317).

31004112203443 is a wasteful number, since it uses less digits than its factorization.

31004112203443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041377.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31004112203443 its reverse (34430221140013), we get a palindrome (65434333343456).

The spelling of 31004112203443 in words is "thirty-one trillion, four billion, one hundred twelve million, two hundred three thousand, four hundred forty-three".