31051051344 has 60 divisors (see below), whose sum is σ = 92011578516. Its totient is φ = 9741505536.

The previous prime is 31051051277. The next prime is 31051051373. The reversal of 31051051344 is 44315015013.

It is a happy number.

31051051344 is a `hidden beast` number, since 3 + 10 + 510 + 5 + 134 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23229417744 + 7821633600 = 152412^2 + 88440^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6339679 + ... + 6344574.

Almost surely, 2^31051051344 is an apocalyptic number.

31051051344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31051051344 is an abundant number, since it is smaller than the sum of its proper divisors (60960527172).

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

31051051344 is a wasteful number, since it uses less digits than its factorization.

31051051344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684284 (or 12684275 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 31051051344 its reverse (44315015013), we get a palindrome (75366066357).

The spelling of 31051051344 in words is "thirty-one billion, fifty-one million, fifty-one thousand, three hundred forty-four".