30020230402431 has 16 divisors (see below), whose sum is σ = 40193147295840. Its totient is φ = 19930484367360.

The previous prime is 30020230402307. The next prime is 30020230402501. The reversal of 30020230402431 is 13420403202003.

It is not a de Polignac number, because 30020230402431 - 2¹³ = 30020230394239 is a prime.

It is a super-2 number, since 2×30020230402431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020230402031) 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, 9089986 + ... + 11944383.

It is an arithmetic number, because the mean of its divisors is an integer number (2512071705990).

Almost surely, 2^{30020230402431} is an apocalyptic number.

30020230402431 is a deficient number, since it is larger than the sum of its proper divisors (10172916893409).

30020230402431 is a wasteful number, since it uses less digits than its factorization.

30020230402431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036346.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30020230402431 its reverse (13420403202003), we get a palindrome (43440633604434).

The spelling of 30020230402431 in words is "thirty trillion, twenty billion, two hundred thirty million, four hundred two thousand, four hundred thirty-one".