31434111203 has 8 divisors (see below), whose sum is σ = 34575162096. Its totient is φ = 28576463520.

The previous prime is 31434111193. The next prime is 31434111209. The reversal of 31434111203 is 30211143413.

It is not a de Polignac number, because 31434111203 - 2³⁰ = 30360369379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31434111209) 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, 11807126 + ... + 11809787.

It is an arithmetic number, because the mean of its divisors is an integer number (4321895262).

Almost surely, 2^31434111203 is an apocalyptic number.

31434111203 is a deficient number, since it is larger than the sum of its proper divisors (3141050893).

31434111203 is an equidigital number, since it uses as much as digits as its factorization.

31434111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23616946 (or 23616924 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31434111203 its reverse (30211143413), we get a palindrome (61645254616).

The spelling of 31434111203 in words is "thirty-one billion, four hundred thirty-four million, one hundred eleven thousand, two hundred three".