1403312432431 has 32 divisors (see below), whose sum is σ = 1833932354688. Its totient is φ = 1042039848960.

The previous prime is 1403312432419. The next prime is 1403312432441. The reversal of 1403312432431 is 1342342133041.

It is a cyclic number.

It is not a de Polignac number, because 1403312432431 - 2⁷ = 1403312432303 is a prime.

It is a super-2 number, since 2×1403312432431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1403312432393 and 1403312432402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403312432441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738780 + ... + 1830961.

It is an arithmetic number, because the mean of its divisors is an integer number (57310386084).

Almost surely, 2^{1403312432431} is an apocalyptic number.

1403312432431 is a deficient number, since it is larger than the sum of its proper divisors (430619922257).

1403312432431 is a wasteful number, since it uses less digits than its factorization.

1403312432431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570131.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1403312432431 its reverse (1342342133041), we get a palindrome (2745654565472).

The spelling of 1403312432431 in words is "one trillion, four hundred three billion, three hundred twelve million, four hundred thirty-two thousand, four hundred thirty-one".