1348968731 has 8 divisors (see below), whose sum is σ = 1471878000. Its totient is φ = 1226105440.

The previous prime is 1348968721. The next prime is 1348968769. The reversal of 1348968731 is 1378698431.

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

It is a cyclic number.

It is not a de Polignac number, because 1348968731 - 2²² = 1344774427 is a prime.

It is a super-2 number, since 2×1348968731² = 3639433274431500722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1348968731.

It is not an unprimeable number, because it can be changed into a prime (1348968721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85445 + ... + 99993.

It is an arithmetic number, because the mean of its divisors is an integer number (183984750).

Almost surely, 2^1348968731 is an apocalyptic number.

1348968731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1348968731 is a deficient number, since it is larger than the sum of its proper divisors (122909269).

1348968731 is a wasteful number, since it uses less digits than its factorization.

1348968731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989.

The product of its digits is 870912, while the sum is 50.

The square root of 1348968731 is about 36728.3096670674. The cubic root of 1348968731 is about 1104.9279536437.

It can be divided in two parts, 1348 and 968731, that added together give a palindrome (970079).

The spelling of 1348968731 in words is "one billion, three hundred forty-eight million, nine hundred sixty-eight thousand, seven hundred thirty-one".