1431117613 has 8 divisors (see below), whose sum is σ = 1515645432. Its totient is φ = 1346628096.

The previous prime is 1431117577. The next prime is 1431117631. The reversal of 1431117613 is 3167111341.

It can be written as a sum of positive squares in 4 ways, for example, as 4318084 + 1426799529 = 2078^2 + 37773^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1431117613 - 2¹⁷ = 1430986541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431117683) 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 7 ways as a sum of consecutive naturals, for example, 110431 + ... + 122707.

It is an arithmetic number, because the mean of its divisors is an integer number (189455679).

Almost surely, 2^1431117613 is an apocalyptic number.

It is an amenable number.

1431117613 is a deficient number, since it is larger than the sum of its proper divisors (84527819).

1431117613 is a wasteful number, since it uses less digits than its factorization.

1431117613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19151.

The product of its digits is 1512, while the sum is 28.

The square root of 1431117613 is about 37830.1151597507. The cubic root of 1431117613 is about 1126.9165980996.

Adding to 1431117613 its reverse (3167111341), we get a palindrome (4598228954).

The spelling of 1431117613 in words is "one billion, four hundred thirty-one million, one hundred seventeen thousand, six hundred thirteen".