31233044045 has 16 divisors (see below), whose sum is σ = 45353530368. Its totient is φ = 20157123840.

The previous prime is 31233044041. The next prime is 31233044047. The reversal of 31233044045 is 54044033213.

It is not a de Polignac number, because 31233044045 - 2² = 31233044041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31233043999 and 31233044017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233044041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26245661 + ... + 26246850.

It is an arithmetic number, because the mean of its divisors is an integer number (2834595648).

Almost surely, 2^31233044045 is an apocalyptic number.

31233044045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31233044045 is a deficient number, since it is larger than the sum of its proper divisors (14120486323).

31233044045 is a wasteful number, since it uses less digits than its factorization.

31233044045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52492540.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 31233044045 its reverse (54044033213), we get a palindrome (85277077258).

The spelling of 31233044045 in words is "thirty-one billion, two hundred thirty-three million, forty-four thousand, forty-five".