1351022312 has 8 divisors (see below), whose sum is σ = 2533166850. Its totient is φ = 675511152.

The previous prime is 1351022273. The next prime is 1351022347. The reversal of 1351022312 is 2132201531.

It can be written as a sum of positive squares in only one way, i.e., 1098657316 + 252364996 = 33146^2 + 15886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1351022312² = 3650522575043650688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84438887 + ... + 84438902.

Almost surely, 2^1351022312 is an apocalyptic number.

It is an amenable number.

1351022312 is a deficient number, since it is larger than the sum of its proper divisors (1182144538).

1351022312 is a wasteful number, since it uses less digits than its factorization.

1351022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168877795 (or 168877791 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1351022312 is about 36756.2554131946. The cubic root of 1351022312 is about 1105.4883591719.

Adding to 1351022312 its reverse (2132201531), we get a palindrome (3483223843).

The spelling of 1351022312 in words is "one billion, three hundred fifty-one million, twenty-two thousand, three hundred twelve".