1313212302 has 48 divisors (see below), whose sum is σ = 2901775968. Its totient is φ = 429134400.

The previous prime is 1313212291. The next prime is 1313212367. The reversal of 1313212302 is 2032123131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183748 + ... + 190760.

It is an arithmetic number, because the mean of its divisors is an integer number (60453666).

Almost surely, 2^1313212302 is an apocalyptic number.

1313212302 is an abundant number, since it is smaller than the sum of its proper divisors (1588563666).

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

1313212302 is a wasteful number, since it uses less digits than its factorization.

1313212302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225 (or 7222 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1313212302 is about 36238.2712336005. The cubic root of 1313212302 is about 1095.0778151993.

Adding to 1313212302 its reverse (2032123131), we get a palindrome (3345335433).

The spelling of 1313212302 in words is "one billion, three hundred thirteen million, two hundred twelve thousand, three hundred two".