30031131302 has 16 divisors (see below), whose sum is σ = 47427167040. Its totient is φ = 14222395368.

The previous prime is 30031131271. The next prime is 30031131311. The reversal of 30031131302 is 20313113003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116693 + ... + 271439.

It is an arithmetic number, because the mean of its divisors is an integer number (2964197940).

Almost surely, 2^30031131302 is an apocalyptic number.

30031131302 is a deficient number, since it is larger than the sum of its proper divisors (17396035738).

30031131302 is a wasteful number, since it uses less digits than its factorization.

30031131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159875.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30031131302 its reverse (20313113003), we get a palindrome (50344244305).

The spelling of 30031131302 in words is "thirty billion, thirty-one million, one hundred thirty-one thousand, three hundred two".