30473151 has 8 divisors (see below), whose sum is σ = 40719744. Its totient is φ = 20271000.

The previous prime is 30473147. The next prime is 30473153. The reversal of 30473151 is 15137403.

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

It is not a de Polignac number, because 30473151 - 2² = 30473147 is a prime.

It is a super-2 number, since 2×30473151² = 1857225863737602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473153) 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, 9475 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (5089968).

Almost surely, 2^30473151 is an apocalyptic number.

30473151 is a deficient number, since it is larger than the sum of its proper divisors (10246593).

30473151 is a wasteful number, since it uses less digits than its factorization.

30473151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 30473151 is about 5520.2491791585. The cubic root of 30473151 is about 312.3482817663.

The spelling of 30473151 in words is "thirty million, four hundred seventy-three thousand, one hundred fifty-one".