1431032313 has 16 divisors (see below), whose sum is σ = 1961845760. Its totient is φ = 927179136.

The previous prime is 1431032293. The next prime is 1431032321. The reversal of 1431032313 is 3132301341.

It is not a de Polignac number, because 1431032313 - 2¹⁶ = 1430966777 is a prime.

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 1431032313.

It is not an unprimeable number, because it can be changed into a prime (1431032413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97128 + ... + 110886.

It is an arithmetic number, because the mean of its divisors is an integer number (122615360).

Almost surely, 2^1431032313 is an apocalyptic number.

It is an amenable number.

1431032313 is a deficient number, since it is larger than the sum of its proper divisors (530813447).

1431032313 is a wasteful number, since it uses less digits than its factorization.

1431032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14736.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1431032313 is about 37828.9877342759. The cubic root of 1431032313 is about 1126.8942081635.

Adding to 1431032313 its reverse (3132301341), we get a palindrome (4563333654).

The spelling of 1431032313 in words is "one billion, four hundred thirty-one million, thirty-two thousand, three hundred thirteen".