1311354253 has 8 divisors (see below), whose sum is σ = 1431187776. Its totient is φ = 1191624000.

The previous prime is 1311354251. The next prime is 1311354299. The reversal of 1311354253 is 3524531131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311354253 - 2¹ = 1311354251 is a prime.

It is a super-2 number, since 2×1311354253² = 3439299953722376018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311354251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053 + ... + 51253.

It is an arithmetic number, because the mean of its divisors is an integer number (178898472).

Almost surely, 2^1311354253 is an apocalyptic number.

It is an amenable number.

1311354253 is a deficient number, since it is larger than the sum of its proper divisors (119833523).

1311354253 is a wasteful number, since it uses less digits than its factorization.

1311354253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51635.

The product of its digits is 5400, while the sum is 28.

The square root of 1311354253 is about 36212.6256021294. The cubic root of 1311354253 is about 1094.5611004179.

Adding to 1311354253 its reverse (3524531131), we get a palindrome (4835885384).

The spelling of 1311354253 in words is "one billion, three hundred eleven million, three hundred fifty-four thousand, two hundred fifty-three".