31423431035 has 8 divisors (see below), whose sum is σ = 37713618096. Its totient is φ = 25135077600.

The previous prime is 31423430959. The next prime is 31423431037. The reversal of 31423431035 is 53013432413.

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

It is not a de Polignac number, because 31423431035 - 2¹⁰ = 31423430011 is a prime.

It is a super-2 number, since 2×31423431035² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31423430989 and 31423431007.

It is not an unprimeable number, because it can be changed into a prime (31423431037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420416 + ... + 489485.

It is an arithmetic number, because the mean of its divisors is an integer number (4714202262).

Almost surely, 2^31423431035 is an apocalyptic number.

31423431035 is a deficient number, since it is larger than the sum of its proper divisors (6290187061).

31423431035 is an equidigital number, since it uses as much as digits as its factorization.

31423431035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916813.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 31423431035 its reverse (53013432413), we get a palindrome (84436863448).

The spelling of 31423431035 in words is "thirty-one billion, four hundred twenty-three million, four hundred thirty-one thousand, thirty-five".