431434031403 has 8 divisors (see below), whose sum is σ = 576477165888. Its totient is φ = 287006792264.

The previous prime is 431434031341. The next prime is 431434031411. The reversal of 431434031403 is 304130434134.

431434031403 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431434031403 - 2²¹ = 431431934251 is a prime.

It is a super-2 number, since 2×431434031403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431434031003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153972201 + ... + 153975002.

It is an arithmetic number, because the mean of its divisors is an integer number (72059645736).

Almost surely, 2^431434031403 is an apocalyptic number.

431434031403 is a deficient number, since it is larger than the sum of its proper divisors (145043134485).

431434031403 is a wasteful number, since it uses less digits than its factorization.

431434031403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307947673.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 431434031403 its reverse (304130434134), we get a palindrome (735564465537).

The spelling of 431434031403 in words is "four hundred thirty-one billion, four hundred thirty-four million, thirty-one thousand, four hundred three".