1434431131 has 4 divisors (see below), whose sum is σ = 1639349872. Its totient is φ = 1229512392.

The previous prime is 1434431113. The next prime is 1434431137. The reversal of 1434431131 is 1311344341.

It is a happy number.

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 1434431131 - 2⁵ = 1434431099 is a prime.

It is a super-2 number, since 2×1434431131² = 4115185339163878322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1434431096 and 1434431105.

It is not an unprimeable number, because it can be changed into a prime (1434431137) 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, 102459360 + ... + 102459373.

It is an arithmetic number, because the mean of its divisors is an integer number (409837468).

Almost surely, 2^1434431131 is an apocalyptic number.

1434431131 is a deficient number, since it is larger than the sum of its proper divisors (204918741).

1434431131 is an equidigital number, since it uses as much as digits as its factorization.

1434431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204918740.

The product of its digits is 1728, while the sum is 25.

The square root of 1434431131 is about 37873.8845512313. The cubic root of 1434431131 is about 1127.7856578780.

Adding to 1434431131 its reverse (1311344341), we get a palindrome (2745775472).

The spelling of 1434431131 in words is "one billion, four hundred thirty-four million, four hundred thirty-one thousand, one hundred thirty-one".