431122451002 has 4 divisors (see below), whose sum is σ = 646683676506. Its totient is φ = 215561225500.

The previous prime is 431122450981. The next prime is 431122451113. The reversal of 431122451002 is 200154221134.

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

It can be written as a sum of positive squares in only one way, i.e., 331304999281 + 99817451721 = 575591^2 + 315939^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107780612749 + ... + 107780612752.

Almost surely, 2^431122451002 is an apocalyptic number.

431122451002 is a deficient number, since it is larger than the sum of its proper divisors (215561225504).

431122451002 is a wasteful number, since it uses less digits than its factorization.

431122451002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215561225503.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 431122451002 its reverse (200154221134), we get a palindrome (631276672136).

The spelling of 431122451002 in words is "four hundred thirty-one billion, one hundred twenty-two million, four hundred fifty-one thousand, two".