1045402431513 has 16 divisors (see below), whose sum is σ = 1586697762816. Its totient is φ = 606030394640.

The previous prime is 1045402431481. The next prime is 1045402431553. The reversal of 1045402431513 is 3151342045401.

It is not a de Polignac number, because 1045402431513 - 2⁵ = 1045402431481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1045402431553) 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, 688670145 + ... + 688671662.

It is an arithmetic number, because the mean of its divisors is an integer number (99168610176).

Almost surely, 2^{1045402431513} is an apocalyptic number.

It is an amenable number.

1045402431513 is a deficient number, since it is larger than the sum of its proper divisors (541295331303).

1045402431513 is a wasteful number, since it uses less digits than its factorization.

1045402431513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377341844.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1045402431513 its reverse (3151342045401), we get a palindrome (4196744476914).

The spelling of 1045402431513 in words is "one trillion, forty-five billion, four hundred two million, four hundred thirty-one thousand, five hundred thirteen".