1312434502 has 4 divisors (see below), whose sum is σ = 1968651756. Its totient is φ = 656217250.

The previous prime is 1312434499. The next prime is 1312434509. The reversal of 1312434502 is 2054342131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312434509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328108624 + ... + 328108627.

It is an arithmetic number, because the mean of its divisors is an integer number (492162939).

Almost surely, 2^1312434502 is an apocalyptic number.

1312434502 is a deficient number, since it is larger than the sum of its proper divisors (656217254).

1312434502 is an equidigital number, since it uses as much as digits as its factorization.

1312434502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656217253.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1312434502 is about 36227.5378959156. The cubic root of 1312434502 is about 1094.8615719868.

Adding to 1312434502 its reverse (2054342131), we get a palindrome (3366776633).

The spelling of 1312434502 in words is "one billion, three hundred twelve million, four hundred thirty-four thousand, five hundred two".