1112131357 has 4 divisors (see below), whose sum is σ = 1122525216. Its totient is φ = 1101737500.

The previous prime is 1112131337. The next prime is 1112131367. The reversal of 1112131357 is 7531312111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112131357 - 2¹⁹ = 1111607069 is a prime.

It is a super-2 number, since 2×1112131357² = 2473672310445322898, 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 (1112131327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5196769 + ... + 5196982.

It is an arithmetic number, because the mean of its divisors is an integer number (280631304).

Almost surely, 2^1112131357 is an apocalyptic number.

It is an amenable number.

1112131357 is a deficient number, since it is larger than the sum of its proper divisors (10393859).

1112131357 is a wasteful number, since it uses less digits than its factorization.

1112131357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393858.

The product of its digits is 630, while the sum is 25.

The square root of 1112131357 is about 33348.6335102355. The cubic root of 1112131357 is about 1036.0610857900.

Adding to 1112131357 its reverse (7531312111), we get a palindrome (8643443468).

The spelling of 1112131357 in words is "one billion, one hundred twelve million, one hundred thirty-one thousand, three hundred fifty-seven".