1130431322 has 4 divisors (see below), whose sum is σ = 1695646986. Its totient is φ = 565215660.

The previous prime is 1130431319. The next prime is 1130431333. The reversal of 1130431322 is 2231340311.

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

It can be written as a sum of positive squares in only one way, i.e., 967894321 + 162537001 = 31111^2 + 12749^2 .

It is a super-3 number, since 3×1130431322³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130431294 and 1130431303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282607829 + ... + 282607832.

Almost surely, 2^1130431322 is an apocalyptic number.

1130431322 is a deficient number, since it is larger than the sum of its proper divisors (565215664).

1130431322 is an equidigital number, since it uses as much as digits as its factorization.

1130431322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565215663.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1130431322 is about 33621.8875436820. The cubic root of 1130431322 is about 1041.7129445068.

Adding to 1130431322 its reverse (2231340311), we get a palindrome (3361771633).

The spelling of 1130431322 in words is "one billion, one hundred thirty million, four hundred thirty-one thousand, three hundred twenty-two".