431401012043 has 16 divisors (see below), whose sum is σ = 465950214720. Its totient is φ = 398184361344.

The previous prime is 431401012033. The next prime is 431401012051. The reversal of 431401012043 is 340210104134.

It is a cyclic number.

It is not a de Polignac number, because 431401012043 - 2¹⁶ = 431400946507 is a prime.

It is a super-2 number, since 2×431401012043² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431401012033) 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, 969305 + ... + 1342517.

It is an arithmetic number, because the mean of its divisors is an integer number (29121888420).

Almost surely, 2^431401012043 is an apocalyptic number.

431401012043 is a deficient number, since it is larger than the sum of its proper divisors (34549202677).

431401012043 is a wasteful number, since it uses less digits than its factorization.

431401012043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374998.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 431401012043 its reverse (340210104134), we get a palindrome (771611116177).

The spelling of 431401012043 in words is "four hundred thirty-one billion, four hundred one million, twelve thousand, forty-three".