30474431 has 4 divisors (see below), whose sum is σ = 32818632. Its totient is φ = 28130232.

The previous prime is 30474403. The next prime is 30474443. The reversal of 30474431 is 13447403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13447403 = 73 ⋅184211.

It is not a de Polignac number, because 30474431 - 2²² = 26280127 is a prime.

It is a super-2 number, since 2×30474431² = 1857381889547522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30474431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404431) 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, 1172081 + ... + 1172106.

It is an arithmetic number, because the mean of its divisors is an integer number (8204658).

Almost surely, 2^30474431 is an apocalyptic number.

30474431 is a deficient number, since it is larger than the sum of its proper divisors (2344201).

30474431 is a wasteful number, since it uses less digits than its factorization.

30474431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344200.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 30474431 is about 5520.3651147365. The cubic root of 30474431 is about 312.3526550172.

The spelling of 30474431 in words is "thirty million, four hundred seventy-four thousand, four hundred thirty-one".