1703421431 has 12 divisors (see below), whose sum is σ = 1746877752. Its totient is φ = 1660434048.

The previous prime is 1703421407. The next prime is 1703421439. The reversal of 1703421431 is 1341243071.

It is a de Polignac number, because none of the positive numbers 2^k-1703421431 is a prime.

It is a super-2 number, since 2×1703421431² = 5803289143180175522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1703421431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1703421439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5054495 + ... + 5054831.

It is an arithmetic number, because the mean of its divisors is an integer number (145573146).

Almost surely, 2^1703421431 is an apocalyptic number.

1703421431 is a deficient number, since it is larger than the sum of its proper divisors (43456321).

1703421431 is an frugal number, since it uses more digits than its factorization.

1703421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1703421431 is about 41272.5263462270. The cubic root of 1703421431 is about 1194.2833260470.

The spelling of 1703421431 in words is "one billion, seven hundred three million, four hundred twenty-one thousand, four hundred thirty-one".