31045211440430 has 64 divisors (see below), whose sum is σ = 62187938362368. Its totient is φ = 11064310594560.

The previous prime is 31045211440421. The next prime is 31045211440447. The reversal of 31045211440430 is 3404411254013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13025162 + ... + 15223181.

It is an arithmetic number, because the mean of its divisors is an integer number (971686536912).

Almost surely, 2^{31045211440430} is an apocalyptic number.

31045211440430 is an abundant number, since it is smaller than the sum of its proper divisors (31142726921938).

31045211440430 is a wasteful number, since it uses less digits than its factorization.

31045211440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28248561.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 31045211440430 its reverse (3404411254013), we get a palindrome (34449622694443).

The spelling of 31045211440430 in words is "thirty-one trillion, forty-five billion, two hundred eleven million, four hundred forty thousand, four hundred thirty".