1313252153252 has 24 divisors (see below), whose sum is σ = 2508878989176. Its totient is φ = 597813412608.

The previous prime is 1313252153233. The next prime is 1313252153299. The reversal of 1313252153252 is 2523512523131.

It can be written as a sum of positive squares in 4 ways, for example, as 120975969856 + 1192276183396 = 347816^2 + 1091914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172974623 + ... + 172982214.

It is an arithmetic number, because the mean of its divisors is an integer number (104536624549).

Almost surely, 2^{1313252153252} is an apocalyptic number.

It is an amenable number.

1313252153252 is a deficient number, since it is larger than the sum of its proper divisors (1195626835924).

1313252153252 is a wasteful number, since it uses less digits than its factorization.

1313252153252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345956927 (or 345956925 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

Adding to 1313252153252 its reverse (2523512523131), we get a palindrome (3836764676383).

The spelling of 1313252153252 in words is "one trillion, three hundred thirteen billion, two hundred fifty-two million, one hundred fifty-three thousand, two hundred fifty-two".