30123102312331 has 16 divisors (see below), whose sum is σ = 36533768477184. Its totient is φ = 24246134550144.

The previous prime is 30123102312323. The next prime is 30123102312361. The reversal of 30123102312331 is 13321320132103.

It is not a de Polignac number, because 30123102312331 - 2³ = 30123102312323 is a prime.

It is a super-2 number, since 2×30123102312331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30123102312296 and 30123102312305.

It is not an unprimeable number, because it can be changed into a prime (30123102312361) 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, 285653055 + ... + 285758488.

It is an arithmetic number, because the mean of its divisors is an integer number (2283360529824).

Almost surely, 2^{30123102312331} is an apocalyptic number.

30123102312331 is a deficient number, since it is larger than the sum of its proper divisors (6410666164853).

30123102312331 is a wasteful number, since it uses less digits than its factorization.

30123102312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571412010.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30123102312331 its reverse (13321320132103), we get a palindrome (43444422444434).

The spelling of 30123102312331 in words is "thirty trillion, one hundred twenty-three billion, one hundred two million, three hundred twelve thousand, three hundred thirty-one".