1602434231 has 4 divisors (see below), whose sum is σ = 1620439200. Its totient is φ = 1584429264.

The previous prime is 1602434227. The next prime is 1602434257. The reversal of 1602434231 is 1324342061.

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

It is not a de Polignac number, because 1602434231 - 2² = 1602434227 is a prime.

It is a super-2 number, since 2×1602434231² = 5135590929361122722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1602434231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602434261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9002351 + ... + 9002528.

It is an arithmetic number, because the mean of its divisors is an integer number (405109800).

Almost surely, 2^1602434231 is an apocalyptic number.

1602434231 is a deficient number, since it is larger than the sum of its proper divisors (18004969).

1602434231 is an equidigital number, since it uses as much as digits as its factorization.

1602434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18004968.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1602434231 is about 40030.4163230911. The cubic root of 1602434231 is about 1170.1999392888.

Adding to 1602434231 its reverse (1324342061), we get a palindrome (2926776292).

The spelling of 1602434231 in words is "one billion, six hundred two million, four hundred thirty-four thousand, two hundred thirty-one".