1113573431 has 4 divisors (see below), whose sum is σ = 1116054000. Its totient is φ = 1111092864.

The previous prime is 1113573427. The next prime is 1113573467. The reversal of 1113573431 is 1343753111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113573431 - 2² = 1113573427 is a prime.

It is a super-2 number, since 2×1113573431² = 2480091572458223522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113573394 and 1113573403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113573481) 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, 1239611 + ... + 1240508.

It is an arithmetic number, because the mean of its divisors is an integer number (279013500).

Almost surely, 2^1113573431 is an apocalyptic number.

1113573431 is a deficient number, since it is larger than the sum of its proper divisors (2480569).

1113573431 is an equidigital number, since it uses as much as digits as its factorization.

1113573431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480568.

The product of its digits is 3780, while the sum is 29.

The square root of 1113573431 is about 33370.2476916190. The cubic root of 1113573431 is about 1036.5087042097.

The spelling of 1113573431 in words is "one billion, one hundred thirteen million, five hundred seventy-three thousand, four hundred thirty-one".