1431345131 has 4 divisors (see below), whose sum is σ = 1493577552. Its totient is φ = 1369112712.

The previous prime is 1431345127. The next prime is 1431345173. The reversal of 1431345131 is 1315431341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1431345131 - 2² = 1431345127 is a prime.

It is a super-2 number, since 2×1431345131² = 4097497768074814322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431345131.

It is not an unprimeable number, because it can be changed into a prime (1431345101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31116176 + ... + 31116221.

It is an arithmetic number, because the mean of its divisors is an integer number (373394388).

Almost surely, 2^1431345131 is an apocalyptic number.

1431345131 is a deficient number, since it is larger than the sum of its proper divisors (62232421).

1431345131 is an equidigital number, since it uses as much as digits as its factorization.

1431345131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62232420.

The product of its digits is 2160, while the sum is 26.

The square root of 1431345131 is about 37833.1221418481. The cubic root of 1431345131 is about 1126.9763137191.

Adding to 1431345131 its reverse (1315431341), we get a palindrome (2746776472).

The spelling of 1431345131 in words is "one billion, four hundred thirty-one million, three hundred forty-five thousand, one hundred thirty-one".