4020100431 has 16 divisors (see below), whose sum is σ = 5507961984. Its totient is φ = 2606230944.

The previous prime is 4020100423. The next prime is 4020100451. The reversal of 4020100431 is 1340010204.

It is not a de Polignac number, because 4020100431 - 2³ = 4020100423 is a prime.

It is a super-2 number, since 2×4020100431² = 32322414950652771522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4020100431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222520 + ... + 239906.

It is an arithmetic number, because the mean of its divisors is an integer number (344247624).

Almost surely, 2^4020100431 is an apocalyptic number.

4020100431 is a deficient number, since it is larger than the sum of its proper divisors (1487861553).

4020100431 is a wasteful number, since it uses less digits than its factorization.

4020100431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19510.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4020100431 is about 63404.2619308828. The cubic root of 4020100431 is about 1590.0555642937.

Adding to 4020100431 its reverse (1340010204), we get a palindrome (5360110635).

The spelling of 4020100431 in words is "four billion, twenty million, one hundred thousand, four hundred thirty-one".