431401402002 has 16 divisors (see below), whose sum is σ = 862813310400. Its totient is φ = 143798716272.

The previous prime is 431401402001. The next prime is 431401402013. The reversal of 431401402002 is 200204104134.

It is a super-2 number, since 2×431401402002² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431401402002.

It is not an unprimeable number, because it can be changed into a prime (431401402001) 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, 158499 + ... + 942297.

It is an arithmetic number, because the mean of its divisors is an integer number (53925831900).

Almost surely, 2^431401402002 is an apocalyptic number.

431401402002 is an abundant number, since it is smaller than the sum of its proper divisors (431411908398).

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

431401402002 is a wasteful number, since it uses less digits than its factorization.

431401402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875537.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 431401402002 its reverse (200204104134), we get a palindrome (631605506136).

The spelling of 431401402002 in words is "four hundred thirty-one billion, four hundred one million, four hundred two thousand, two".