431402002 has 16 divisors (see below), whose sum is σ = 661944960. Its totient is φ = 210768688.

The previous prime is 431401987. The next prime is 431402003. The reversal of 431402002 is 200204134.

It is a super-2 number, since 2×431402002² = 372215374659216008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431402003) 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, 60249 + ... + 67027.

It is an arithmetic number, because the mean of its divisors is an integer number (41371560).

Almost surely, 2^431402002 is an apocalyptic number.

431402002 is a deficient number, since it is larger than the sum of its proper divisors (230542958).

431402002 is a wasteful number, since it uses less digits than its factorization.

431402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 431402002 is about 20770.2191129511. The cubic root of 431402002 is about 755.6036585564.

Adding to 431402002 its reverse (200204134), we get a palindrome (631606136).

The spelling of 431402002 in words is "four hundred thirty-one million, four hundred two thousand, two".