431043153420 has 96 divisors (see below), whose sum is σ = 1325360687616. Its totient is φ = 103803264000.

The previous prime is 431043153419. The next prime is 431043153427. The reversal of 431043153420 is 24351340134.

It is a super-2 number, since 2×431043153420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (431043153427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2062909 + ... + 2262228.

It is an arithmetic number, because the mean of its divisors is an integer number (13805840496).

Almost surely, 2^431043153420 is an apocalyptic number.

It is an amenable number.

431043153420 is an abundant number, since it is smaller than the sum of its proper divisors (894317534196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431043153420 is a wasteful number, since it uses less digits than its factorization.

431043153420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325311 (or 4325309 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 431043153420 its reverse (24351340134), we get a palindrome (455394493554).

The spelling of 431043153420 in words is "four hundred thirty-one billion, forty-three million, one hundred fifty-three thousand, four hundred twenty".