30105436431 has 16 divisors (see below), whose sum is σ = 45878249984. Its totient is φ = 17201869344.

The previous prime is 30105436429. The next prime is 30105436463. The reversal of 30105436431 is 13463450103.

It is not a de Polignac number, because 30105436431 - 2¹ = 30105436429 is a prime.

It is a super-2 number, since 2×30105436431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105436421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304641 + ... + 391173.

It is an arithmetic number, because the mean of its divisors is an integer number (2867390624).

Almost surely, 2^30105436431 is an apocalyptic number.

30105436431 is a deficient number, since it is larger than the sum of its proper divisors (15772813553).

30105436431 is a wasteful number, since it uses less digits than its factorization.

30105436431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103110.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 30105436431 its reverse (13463450103), we get a palindrome (43568886534).

The spelling of 30105436431 in words is "thirty billion, one hundred five million, four hundred thirty-six thousand, four hundred thirty-one".