1351331508 has 12 divisors (see below), whose sum is σ = 3153106880. Its totient is φ = 450443832.

The previous prime is 1351331491. The next prime is 1351331537. The reversal of 1351331508 is 8051331531.

It is a tau number, because it is divible by the number of its divisors (12).

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, 56305468 + ... + 56305491.

Almost surely, 2^1351331508 is an apocalyptic number.

It is an amenable number.

1351331508 is an abundant number, since it is smaller than the sum of its proper divisors (1801775372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351331508 is a wasteful number, since it uses less digits than its factorization.

1351331508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112610966 (or 112610964 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1351331508 is about 36760.4612049414. The cubic root of 1351331508 is about 1105.5726870430.

The spelling of 1351331508 in words is "one billion, three hundred fifty-one million, three hundred thirty-one thousand, five hundred eight".