1372031330 has 8 divisors (see below), whose sum is σ = 2469656412. Its totient is φ = 548812528.

The previous prime is 1372031327. The next prime is 1372031333. The reversal of 1372031330 is 331302731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1372031327) and next prime (1372031333).

It can be written as a sum of positive squares in 2 ways, for example, as 1367742289 + 4289041 = 36983^2 + 2071^2 .

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

It is a super-3 number, since 3×1372031330³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1372031296 and 1372031305.

It is not an unprimeable number, because it can be changed into a prime (1372031333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68601557 + ... + 68601576.

Almost surely, 2^1372031330 is an apocalyptic number.

1372031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1372031330 is a deficient number, since it is larger than the sum of its proper divisors (1097625082).

1372031330 is a wasteful number, since it uses less digits than its factorization.

1372031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137203140.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1372031330 is about 37040.9412677378. The cubic root of 1372031330 is about 1111.1891943533.

The spelling of 1372031330 in words is "one billion, three hundred seventy-two million, thirty-one thousand, three hundred thirty".