431442101 has 16 divisors (see below), whose sum is σ = 464149440. Its totient is φ = 399784320.

The previous prime is 431442071. The next prime is 431442107. The reversal of 431442101 is 101244134.

It is not a de Polignac number, because 431442101 - 2¹⁴ = 431425717 is a prime.

It is a super-2 number, since 2×431442101² = 372284573030588402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431442107) 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, 566561 + ... + 567321.

It is an arithmetic number, because the mean of its divisors is an integer number (29009340).

Almost surely, 2^431442101 is an apocalyptic number.

It is an amenable number.

431442101 is a deficient number, since it is larger than the sum of its proper divisors (32707339).

431442101 is a wasteful number, since it uses less digits than its factorization.

431442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 431442101 is about 20771.1843908815. The cubic root of 431442101 is about 755.6270690584.

Adding to 431442101 its reverse (101244134), we get a palindrome (532686235).

The spelling of 431442101 in words is "four hundred thirty-one million, four hundred forty-two thousand, one hundred one".