9703561431 has 4 divisors (see below), whose sum is σ = 12938081912. Its totient is φ = 6469040952.

The previous prime is 9703561381. The next prime is 9703561463. The reversal of 9703561431 is 1341653079.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9703561431 - 2¹⁹ = 9703037143 is a prime.

It is a super-2 number, since 2×9703561431² (a number of 21 digits) 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 9703561431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9703561531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617260236 + ... + 1617260241.

It is an arithmetic number, because the mean of its divisors is an integer number (3234520478).

Almost surely, 2^9703561431 is an apocalyptic number.

9703561431 is a deficient number, since it is larger than the sum of its proper divisors (3234520481).

9703561431 is a wasteful number, since it uses less digits than its factorization.

9703561431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234520480.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 9703561431 is about 98506.6567852143. The cubic root of 9703561431 is about 2132.9322125531.

The spelling of 9703561431 in words is "nine billion, seven hundred three million, five hundred sixty-one thousand, four hundred thirty-one".