1431120345 has 8 divisors (see below), whose sum is σ = 2289792576. Its totient is φ = 763264176.

The previous prime is 1431120323. The next prime is 1431120359. The reversal of 1431120345 is 5430211341.

It is a happy number.

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

It is not a de Polignac number, because 1431120345 - 2¹³ = 1431112153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47703997 + ... + 47704026.

It is an arithmetic number, because the mean of its divisors is an integer number (286224072).

Almost surely, 2^1431120345 is an apocalyptic number.

1431120345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1431120345 is a deficient number, since it is larger than the sum of its proper divisors (858672231).

1431120345 is an equidigital number, since it uses as much as digits as its factorization.

1431120345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95408031.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1431120345 is about 37830.1512685318. The cubic root of 1431120345 is about 1126.9173151928.

Adding to 1431120345 its reverse (5430211341), we get a palindrome (6861331686).

The spelling of 1431120345 in words is "one billion, four hundred thirty-one million, one hundred twenty thousand, three hundred forty-five".