31043454530 has 32 divisors (see below), whose sum is σ = 60965507520. Its totient is φ = 11287149120.

The previous prime is 31043454517. The next prime is 31043454539. The reversal of 31043454530 is 3545434013.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31043454539) 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, 1456712 + ... + 1477868.

It is an arithmetic number, because the mean of its divisors is an integer number (1905172110).

Almost surely, 2^31043454530 is an apocalyptic number.

31043454530 is a deficient number, since it is larger than the sum of its proper divisors (29922052990).

31043454530 is a wasteful number, since it uses less digits than its factorization.

31043454530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34514.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 31043454530 its reverse (3545434013), we get a palindrome (34588888543).

The spelling of 31043454530 in words is "thirty-one billion, forty-three million, four hundred fifty-four thousand, five hundred thirty".