1431137226 has 64 divisors (see below), whose sum is σ = 2999558016. Its totient is φ = 454809600.

The previous prime is 1431137221. The next prime is 1431137237. The reversal of 1431137226 is 6227311341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1431137193 and 1431137202.

It is not an unprimeable number, because it can be changed into a prime (1431137221) 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 31 ways as a sum of consecutive naturals, for example, 4246530 + ... + 4246866.

It is an arithmetic number, because the mean of its divisors is an integer number (46868094).

Almost surely, 2^1431137226 is an apocalyptic number.

1431137226 is an abundant number, since it is smaller than the sum of its proper divisors (1568420790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431137226 is a wasteful number, since it uses less digits than its factorization.

1431137226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its digits is 6048, while the sum is 30.

The square root of 1431137226 is about 37830.3743835559. The cubic root of 1431137226 is about 1126.9217460841.

Adding to 1431137226 its reverse (6227311341), we get a palindrome (7658448567).

The spelling of 1431137226 in words is "one billion, four hundred thirty-one million, one hundred thirty-seven thousand, two hundred twenty-six".