1431130229 has 4 divisors (see below), whose sum is σ = 1431931980. Its totient is φ = 1430328480.

The previous prime is 1431130199. The next prime is 1431130231. The reversal of 1431130229 is 9220311341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 658179025 + 772951204 = 25655^2 + 27802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431130229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431130198 and 1431130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431132229) 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, 398192 + ... + 401769.

It is an arithmetic number, because the mean of its divisors is an integer number (357982995).

Almost surely, 2^1431130229 is an apocalyptic number.

It is an amenable number.

1431130229 is a deficient number, since it is larger than the sum of its proper divisors (801751).

1431130229 is an equidigital number, since it uses as much as digits as its factorization.

1431130229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801750.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1431130229 is about 37830.2819048444. The cubic root of 1431130229 is about 1126.9199095297.

The spelling of 1431130229 in words is "one billion, four hundred thirty-one million, one hundred thirty thousand, two hundred twenty-nine".