1013431478 has 8 divisors (see below), whose sum is σ = 1569184320. Its totient is φ = 490370040.

The previous prime is 1013431469. The next prime is 1013431487. The reversal of 1013431478 is 8741343101.

It is an interprime number because it is at equal distance from previous prime (1013431469) and next prime (1013431487).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8172773 + ... + 8172896.

It is an arithmetic number, because the mean of its divisors is an integer number (196148040).

Almost surely, 2^1013431478 is an apocalyptic number.

1013431478 is a deficient number, since it is larger than the sum of its proper divisors (555752842).

1013431478 is a wasteful number, since it uses less digits than its factorization.

1013431478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16345702.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1013431478 is about 31834.4385532398. The cubic root of 1013431478 is about 1004.4572626255.

Adding to 1013431478 its reverse (8741343101), we get a palindrome (9754774579).

The spelling of 1013431478 in words is "one billion, thirteen million, four hundred thirty-one thousand, four hundred seventy-eight".