31030045541 has 16 divisors (see below), whose sum is σ = 35421623808. Its totient is φ = 26925177600.

The previous prime is 31030045537. The next prime is 31030045577. The reversal of 31030045541 is 14554003013.

It is a cyclic number.

It is not a de Polignac number, because 31030045541 - 2² = 31030045537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31030045541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030045841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598376 + ... + 648161.

It is an arithmetic number, because the mean of its divisors is an integer number (2213851488).

Almost surely, 2^31030045541 is an apocalyptic number.

31030045541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31030045541 is a deficient number, since it is larger than the sum of its proper divisors (4391578267).

31030045541 is a wasteful number, since it uses less digits than its factorization.

31030045541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246652.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 31030045541 its reverse (14554003013), we get a palindrome (45584048554).

The spelling of 31030045541 in words is "thirty-one billion, thirty million, forty-five thousand, five hundred forty-one".