30431402323 has 24 divisors (see below), whose sum is σ = 35567964432. Its totient is φ = 25960423104.

The previous prime is 30431402299. The next prime is 30431402423. The reversal of 30431402323 is 32320413403.

It is not a de Polignac number, because 30431402323 - 2⁹ = 30431401811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30431402423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15237561 + ... + 15239557.

It is an arithmetic number, because the mean of its divisors is an integer number (1481998518).

Almost surely, 2^30431402323 is an apocalyptic number.

30431402323 is a deficient number, since it is larger than the sum of its proper divisors (5136562109).

30431402323 is a wasteful number, since it uses less digits than its factorization.

30431402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30431402323 its reverse (32320413403), we get a palindrome (62751815726).

The spelling of 30431402323 in words is "thirty billion, four hundred thirty-one million, four hundred two thousand, three hundred twenty-three".