31040041044033 has 32 divisors (see below), whose sum is σ = 52720354225920. Its totient is φ = 17681213070720.

The previous prime is 31040041043993. The next prime is 31040041044097. The reversal of 31040041044033 is 33044014004013.

It is not a de Polignac number, because 31040041044033 - 2¹³ = 31040041035841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31040041043988 and 31040041044006.

It is not an unprimeable number, because it can be changed into a prime (31040041045033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258982708 + ... + 259102533.

It is an arithmetic number, because the mean of its divisors is an integer number (1647511069560).

Almost surely, 2^{31040041044033} is an apocalyptic number.

It is an amenable number.

31040041044033 is a deficient number, since it is larger than the sum of its proper divisors (21680313181887).

31040041044033 is a wasteful number, since it uses less digits than its factorization.

31040041044033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518085574 (or 518085568 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31040041044033 its reverse (33044014004013), we get a palindrome (64084055048046).

The spelling of 31040041044033 in words is "thirty-one trillion, forty billion, forty-one million, forty-four thousand, thirty-three".