1312928100348 has 48 divisors (see below), whose sum is σ = 3134878897920. Its totient is φ = 427446440064.

The previous prime is 1312928100347. The next prime is 1312928100349. The reversal of 1312928100348 is 8430018292131.

It is an interprime number because it is at equal distance from previous prime (1312928100347) and next prime (1312928100349).

It is a super-2 number, since 2×1312928100348² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312928100347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16931008 + ... + 17008376.

It is an arithmetic number, because the mean of its divisors is an integer number (65309977040).

Almost surely, 2^{1312928100348} is an apocalyptic number.

It is an amenable number.

1312928100348 is an abundant number, since it is smaller than the sum of its proper divisors (1821950797572).

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

1312928100348 is a wasteful number, since it uses less digits than its factorization.

1312928100348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110306 (or 110304 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 1312928100348 in words is "one trillion, three hundred twelve billion, nine hundred twenty-eight million, one hundred thousand, three hundred forty-eight".