31403213234322 has 16 divisors (see below), whose sum is σ = 62806516389792. Its totient is φ = 10467722757920.

The previous prime is 31403213234273. The next prime is 31403213234329. The reversal of 31403213234322 is 22343231230413.

It is not an unprimeable number, because it can be changed into a prime (31403213234329) 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, 1320433 + ... + 8034299.

It is an arithmetic number, because the mean of its divisors is an integer number (3925407274362).

Almost surely, 2^{31403213234322} is an apocalyptic number.

31403213234322 is an abundant number, since it is smaller than the sum of its proper divisors (31403303155470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31403213234322 is a wasteful number, since it uses less digits than its factorization.

31403213234322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493433.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31403213234322 its reverse (22343231230413), we get a palindrome (53746444464735).

The spelling of 31403213234322 in words is "thirty-one trillion, four hundred three billion, two hundred thirteen million, two hundred thirty-four thousand, three hundred twenty-two".