31450441051 has 4 divisors (see below), whose sum is σ = 31486140504. Its totient is φ = 31414741600.

The previous prime is 31450441027. The next prime is 31450441177. The reversal of 31450441051 is 15014405413.

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

It is a cyclic number.

It is not a de Polignac number, because 31450441051 - 2⁵ = 31450441019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31450441021) 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, 17848405 + ... + 17850166.

It is an arithmetic number, because the mean of its divisors is an integer number (7871535126).

Almost surely, 2^31450441051 is an apocalyptic number.

31450441051 is a deficient number, since it is larger than the sum of its proper divisors (35699453).

31450441051 is an equidigital number, since it uses as much as digits as its factorization.

31450441051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35699452.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 31450441051 its reverse (15014405413), we get a palindrome (46464846464).

The spelling of 31450441051 in words is "thirty-one billion, four hundred fifty million, four hundred forty-one thousand, fifty-one".