30431401 has 48 divisors (see below), whose sum is σ = 42977088. Its totient is φ = 21168000.

The previous prime is 30431371. The next prime is 30431417. The reversal of 30431401 is 10413403.

It is not a de Polignac number, because 30431401 - 2¹¹ = 30429353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30431441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301251 + ... + 301351.

It is an arithmetic number, because the mean of its divisors is an integer number (895356).

Almost surely, 2^30431401 is an apocalyptic number.

It is an amenable number.

30431401 is a deficient number, since it is larger than the sum of its proper divisors (12545687).

30431401 is a wasteful number, since it uses less digits than its factorization.

30431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30431401 is about 5516.4663508445. The cubic root of 30431401 is about 312.2055714316.

Adding to 30431401 its reverse (10413403), we get a palindrome (40844804).

It can be divided in two parts, 3043 and 1401, that added together give a palindrome (4444).

The spelling of 30431401 in words is "thirty million, four hundred thirty-one thousand, four hundred one".