1473157431 has 12 divisors (see below), whose sum is σ = 2128256208. Its totient is φ = 981937824.

The previous prime is 1473157391. The next prime is 1473157463. The reversal of 1473157431 is 1347513741.

It is a happy number.

1473157431 is a `hidden beast` number, since 1 + 4 + 73 + 157 + 431 = 666.

It is not a de Polignac number, because 1473157431 - 2⁷ = 1473157303 is a prime.

It is a super-2 number, since 2×1473157431² = 4340385633021039522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1473150431) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 66091 + ... + 85523.

It is an arithmetic number, because the mean of its divisors is an integer number (177354684).

Almost surely, 2^1473157431 is an apocalyptic number.

1473157431 is a deficient number, since it is larger than the sum of its proper divisors (655098777).

1473157431 is a wasteful number, since it uses less digits than its factorization.

1473157431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27862 (or 27859 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 1473157431 is about 38381.7330379961. The cubic root of 1473157431 is about 1137.8448641741.

The spelling of 1473157431 in words is "one billion, four hundred seventy-three million, one hundred fifty-seven thousand, four hundred thirty-one".