1345431230 has 128 divisors (see below), whose sum is σ = 3126574080. Its totient is φ = 409052160.

The previous prime is 1345431229. The next prime is 1345431233. The reversal of 1345431230 is 321345431.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1345431230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345431233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 623834 + ... + 625986.

It is an arithmetic number, because the mean of its divisors is an integer number (24426360).

Almost surely, 2^1345431230 is an apocalyptic number.

1345431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345431230 is an abundant number, since it is smaller than the sum of its proper divisors (1781142850).

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

1345431230 is a wasteful number, since it uses less digits than its factorization.

1345431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1345431230 is about 36680.1203651242. The cubic root of 1345431230 is about 1103.9612632342.

Adding to 1345431230 its reverse (321345431), we get a palindrome (1666776661).

The spelling of 1345431230 in words is "one billion, three hundred forty-five million, four hundred thirty-one thousand, two hundred thirty".