1202434431 has 16 divisors (see below), whose sum is σ = 1771138560. Its totient is φ = 719521920.

The previous prime is 1202434427. The next prime is 1202434447. The reversal of 1202434431 is 1344342021.

It is not a de Polignac number, because 1202434431 - 2² = 1202434427 is a prime.

It is a super-2 number, since 2×1202434431² = 2891697121708587522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202434421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228010 + ... + 233223.

It is an arithmetic number, because the mean of its divisors is an integer number (110696160).

Almost surely, 2^1202434431 is an apocalyptic number.

1202434431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202434431 is a deficient number, since it is larger than the sum of its proper divisors (568704129).

1202434431 is a wasteful number, since it uses less digits than its factorization.

1202434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461326.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1202434431 is about 34676.1363332191. The cubic root of 1202434431 is about 1063.3766862782.

Adding to 1202434431 its reverse (1344342021), we get a palindrome (2546776452).

The spelling of 1202434431 in words is "one billion, two hundred two million, four hundred thirty-four thousand, four hundred thirty-one".