30310043023 has 12 divisors (see below), whose sum is σ = 32976522408. Its totient is φ = 27845868960.

The previous prime is 30310042993. The next prime is 30310043039. The reversal of 30310043023 is 32034001303.

It is a de Polignac number, because none of the positive numbers 2^k-30310043023 is a prime.

It is a super-2 number, since 2×30310043023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30310040023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389340 + ... + 460657.

It is an arithmetic number, because the mean of its divisors is an integer number (2748043534).

Almost surely, 2^30310043023 is an apocalyptic number.

30310043023 is a deficient number, since it is larger than the sum of its proper divisors (2666479385).

30310043023 is a wasteful number, since it uses less digits than its factorization.

30310043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850234 (or 850221 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30310043023 its reverse (32034001303), we get a palindrome (62344044326).

The spelling of 30310043023 in words is "thirty billion, three hundred ten million, forty-three thousand, twenty-three".