1375231300 has 72 divisors (see below), whose sum is σ = 3089802240. Its totient is φ = 530745600.

The previous prime is 1375231279. The next prime is 1375231321. The reversal of 1375231300 is 31325731.

It is an interprime number because it is at equal distance from previous prime (1375231279) and next prime (1375231321).

It is a super-2 number, since 2×1375231300² = 3782522256999380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1912341 + ... + 1913059.

It is an arithmetic number, because the mean of its divisors is an integer number (42913920).

Almost surely, 2^1375231300 is an apocalyptic number.

1375231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375231300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544901120).

1375231300 is an abundant number, since it is smaller than the sum of its proper divisors (1714570940).

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

1375231300 is a wasteful number, since it uses less digits than its factorization.

1375231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 1375231300 is about 37084.1111528913. Note that the first 4 decimals coincide. The cubic root of 1375231300 is about 1112.0523941033.

The spelling of 1375231300 in words is "one billion, three hundred seventy-five million, two hundred thirty-one thousand, three hundred".