30313101231 has 48 divisors (see below), whose sum is σ = 52267805280. Its totient is φ = 17312641920.

The previous prime is 30313101197. The next prime is 30313101233. The reversal of 30313101231 is 13210131303.

It is a happy number.

30313101231 is a `hidden beast` number, since 303 + 131 + 0 + 1 + 231 = 666.

It is not a de Polignac number, because 30313101231 - 2¹¹ = 30313099183 is a prime.

It is a super-2 number, since 2×30313101231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313101233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3113451 + ... + 3123171.

It is an arithmetic number, because the mean of its divisors is an integer number (1088912610).

Almost surely, 2^30313101231 is an apocalyptic number.

30313101231 is a deficient number, since it is larger than the sum of its proper divisors (21954704049).

30313101231 is a wasteful number, since it uses less digits than its factorization.

30313101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101 (or 12088 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30313101231 its reverse (13210131303), we get a palindrome (43523232534).

The spelling of 30313101231 in words is "thirty billion, three hundred thirteen million, one hundred one thousand, two hundred thirty-one".