403134242431 has 16 divisors (see below), whose sum is σ = 418080236800. Its totient is φ = 388310630400.

The previous prime is 403134242389. The next prime is 403134242437. The reversal of 403134242431 is 134242431304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403134242431 is a prime.

It is a super-2 number, since 2×403134242431² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403134242393 and 403134242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403134242437) 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, 32798335 + ... + 32810623.

It is an arithmetic number, because the mean of its divisors is an integer number (26130014800).

Almost surely, 2^403134242431 is an apocalyptic number.

403134242431 is a deficient number, since it is larger than the sum of its proper divisors (14945994369).

403134242431 is a wasteful number, since it uses less digits than its factorization.

403134242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17170.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 403134242431 its reverse (134242431304), we get a palindrome (537376673735).

The spelling of 403134242431 in words is "four hundred three billion, one hundred thirty-four million, two hundred forty-two thousand, four hundred thirty-one".