30045621431 has 8 divisors (see below), whose sum is σ = 34900769184. Its totient is φ = 25331202720.

The previous prime is 30045621409. The next prime is 30045621491. The reversal of 30045621431 is 13412654003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30045621431 - 2³⁴ = 12865752247 is a prime.

It is a super-2 number, since 2×30045621431² (a number of 22 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 = 30045621394 and 30045621403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045621491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35181800 + ... + 35182653.

It is an arithmetic number, because the mean of its divisors is an integer number (4362596148).

Almost surely, 2^30045621431 is an apocalyptic number.

30045621431 is a deficient number, since it is larger than the sum of its proper divisors (4855147753).

30045621431 is an equidigital number, since it uses as much as digits as its factorization.

30045621431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70364521.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 30045621431 in words is "thirty billion, forty-five million, six hundred twenty-one thousand, four hundred thirty-one".