1313031422 has 8 divisors (see below), whose sum is σ = 1971770256. Its totient is φ = 655774672.

The previous prime is 1313031407. The next prime is 1313031439. The reversal of 1313031422 is 2241303131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1313031394 and 1313031403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368303 + ... + 371850.

It is an arithmetic number, because the mean of its divisors is an integer number (246471282).

Almost surely, 2^1313031422 is an apocalyptic number.

1313031422 is a deficient number, since it is larger than the sum of its proper divisors (658738834).

1313031422 is an equidigital number, since it uses as much as digits as its factorization.

1313031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741042.

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

The square root of 1313031422 is about 36235.7754436137. The cubic root of 1313031422 is about 1095.0275347357.

Adding to 1313031422 its reverse (2241303131), we get a palindrome (3554334553).

The spelling of 1313031422 in words is "one billion, three hundred thirteen million, thirty-one thousand, four hundred twenty-two".