30683230615381 has 4 divisors (see below), whose sum is σ = 30683556928972. Its totient is φ = 30682904301792.

The previous prime is 30683230615313. The next prime is 30683230615487. The reversal of 30683230615381 is 18351603238603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 537267010225 + 30145963605156 = 732985^2 + 5490534^2 .

It is a cyclic number.

It is not a de Polignac number, because 30683230615381 - 2³⁵ = 30648870877013 is a prime.

It is a super-2 number, since 2×30683230615381² (a number of 28 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 (30683230625381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163015710 + ... + 163203823.

It is an arithmetic number, because the mean of its divisors is an integer number (7670889232243).

Almost surely, 2^{30683230615381} is an apocalyptic number.

It is an amenable number.

30683230615381 is a deficient number, since it is larger than the sum of its proper divisors (326313591).

30683230615381 is an equidigital number, since it uses as much as digits as its factorization.

30683230615381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326313590.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 30683230615381 in words is "thirty trillion, six hundred eighty-three billion, two hundred thirty million, six hundred fifteen thousand, three hundred eighty-one".