431415401109 has 24 divisors (see below), whose sum is σ = 729964466208. Its totient is φ = 224111895840.

The previous prime is 431415401101. The next prime is 431415401143. The reversal of 431415401109 is 901104514134.

It is a happy number.

It is not a de Polignac number, because 431415401109 - 2³ = 431415401101 is a prime.

It is a super-2 number, since 2×431415401109² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 431415401109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431415401101) 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, 133398322 + ... + 133401555.

It is an arithmetic number, because the mean of its divisors is an integer number (30415186092).

Almost surely, 2^431415401109 is an apocalyptic number.

431415401109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

431415401109 is a deficient number, since it is larger than the sum of its proper divisors (298549065099).

431415401109 is a wasteful number, since it uses less digits than its factorization.

431415401109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266799905 (or 266799898 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 431415401109 in words is "four hundred thirty-one billion, four hundred fifteen million, four hundred one thousand, one hundred nine".