1313630262 has 24 divisors (see below), whose sum is σ = 3252799056. Its totient is φ = 375322896.

The previous prime is 1313630233. The next prime is 1313630287. The reversal of 1313630262 is 2620363131.

It is a happy number.

1313630262 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 630 + 26 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5212693 + ... + 5212944.

It is an arithmetic number, because the mean of its divisors is an integer number (135533294).

Almost surely, 2^1313630262 is an apocalyptic number.

1313630262 is an abundant number, since it is smaller than the sum of its proper divisors (1939168794).

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

1313630262 is a wasteful number, since it uses less digits than its factorization.

1313630262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425652 (or 10425649 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1313630262 is about 36244.0376062050. The cubic root of 1313630262 is about 1095.1939807713.

Adding to 1313630262 its reverse (2620363131), we get a palindrome (3933993393).

The spelling of 1313630262 in words is "one billion, three hundred thirteen million, six hundred thirty thousand, two hundred sixty-two".