1403400413431 has 4 divisors (see below), whose sum is σ = 1436037632392. Its totient is φ = 1370763194472.

The previous prime is 1403400413413. The next prime is 1403400413447. The reversal of 1403400413431 is 1343140043041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1403400413431 - 2⁹ = 1403400412919 is a prime.

It is a super-2 number, since 2×1403400413431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1403400413431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403400413491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16318609416 + ... + 16318609501.

It is an arithmetic number, because the mean of its divisors is an integer number (359009408098).

Almost surely, 2^{1403400413431} is an apocalyptic number.

1403400413431 is a deficient number, since it is larger than the sum of its proper divisors (32637218961).

1403400413431 is an equidigital number, since it uses as much as digits as its factorization.

1403400413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32637218960.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1403400413431 its reverse (1343140043041), we get a palindrome (2746540456472).

The spelling of 1403400413431 in words is "one trillion, four hundred three billion, four hundred million, four hundred thirteen thousand, four hundred thirty-one".