1431111452402 has 16 divisors (see below), whose sum is σ = 2183329966272. Its totient is φ = 703350619920.

The previous prime is 1431111452401. The next prime is 1431111452423. The reversal of 1431111452402 is 2042541111341.

It is not an unprimeable number, because it can be changed into a prime (1431111452401) 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, 3774038 + ... + 4135889.

It is an arithmetic number, because the mean of its divisors is an integer number (136458122892).

Almost surely, 2^{1431111452402} is an apocalyptic number.

1431111452402 is a deficient number, since it is larger than the sum of its proper divisors (752218513870).

1431111452402 is a wasteful number, since it uses less digits than its factorization.

1431111452402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911473.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1431111452402 its reverse (2042541111341), we get a palindrome (3473652563743).

The spelling of 1431111452402 in words is "one trillion, four hundred thirty-one billion, one hundred eleven million, four hundred fifty-two thousand, four hundred two".