1130400313 has 4 divisors (see below), whose sum is σ = 1291886080. Its totient is φ = 968914548.

The previous prime is 1130400311. The next prime is 1130400319. The reversal of 1130400313 is 3130040311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3130040311 = 1231 ⋅2542681.

It is not a de Polignac number, because 1130400313 - 2¹ = 1130400311 is a prime.

It is a super-3 number, since 3×1130400313³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130400311) 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, 80742873 + ... + 80742886.

It is an arithmetic number, because the mean of its divisors is an integer number (322971520).

Almost surely, 2^1130400313 is an apocalyptic number.

It is an amenable number.

1130400313 is a deficient number, since it is larger than the sum of its proper divisors (161485767).

1130400313 is an equidigital number, since it uses as much as digits as its factorization.

1130400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161485766.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1130400313 is about 33621.4263974627. The cubic root of 1130400313 is about 1041.7034193013.

Adding to 1130400313 its reverse (3130040311), we get a palindrome (4260440624).

The spelling of 1130400313 in words is "one billion, one hundred thirty million, four hundred thousand, three hundred thirteen".