30312030320122 has 32 divisors (see below), whose sum is σ = 49466758212432. Its totient is φ = 13872510664704.

The previous prime is 30312030320107. The next prime is 30312030320137. The reversal of 30312030320122 is 22102303021303.

It is an interprime number because it is at equal distance from previous prime (30312030320107) and next prime (30312030320137).

It can be written as a sum of positive squares in 8 ways, for example, as 20763615137521 + 9548415182601 = 4556711^2 + 3090051^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30312030320093 and 30312030320102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887303 + ... + 8304250.

Almost surely, 2^{30312030320122} is an apocalyptic number.

30312030320122 is a deficient number, since it is larger than the sum of its proper divisors (19154727892310).

30312030320122 is a wasteful number, since it uses less digits than its factorization.

30312030320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193762.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30312030320122 its reverse (22102303021303), we get a palindrome (52414333341425).

The spelling of 30312030320122 in words is "thirty trillion, three hundred twelve billion, thirty million, three hundred twenty thousand, one hundred twenty-two".