431253523102402 has 64 divisors (see below), whose sum is σ = 871743504457728. Its totient is φ = 154523861352000.

The previous prime is 431253523102361. The next prime is 431253523102403. The reversal of 431253523102402 is 204201325352134.

It is not an unprimeable number, because it can be changed into a prime (431253523102403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396895374 + ... + 397980457.

It is an arithmetic number, because the mean of its divisors is an integer number (13620992257152).

Almost surely, 2^{431253523102402} is an apocalyptic number.

431253523102402 is an abundant number, since it is smaller than the sum of its proper divisors (440489981355326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431253523102402 is a wasteful number, since it uses less digits than its factorization.

431253523102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794876135.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 431253523102402 its reverse (204201325352134), we get a palindrome (635454848454536).

The spelling of 431253523102402 in words is "four hundred thirty-one trillion, two hundred fifty-three billion, five hundred twenty-three million, one hundred two thousand, four hundred two".