1381325430 has 16 divisors (see below), whose sum is σ = 3315181104. Its totient is φ = 368353440.

The previous prime is 1381325423. The next prime is 1381325431. The reversal of 1381325430 is 345231831.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 46044181 = 1381325430 / (1 + 3 + 8 + 1 + 3 + 2 + 5 + 4 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381325431) 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, 23022061 + ... + 23022120.

It is an arithmetic number, because the mean of its divisors is an integer number (207198819).

Almost surely, 2^1381325430 is an apocalyptic number.

1381325430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381325430 is an abundant number, since it is smaller than the sum of its proper divisors (1933855674).

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

1381325430 is a wasteful number, since it uses less digits than its factorization.

1381325430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46044191.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1381325430 is about 37166.1866486192. The cubic root of 1381325430 is about 1113.6926044985.

The spelling of 1381325430 in words is "one billion, three hundred eighty-one million, three hundred twenty-five thousand, four hundred thirty".