31052212345 has 32 divisors (see below), whose sum is σ = 46552237056. Its totient is φ = 19317681600.

The previous prime is 31052212337. The next prime is 31052212351. The reversal of 31052212345 is 54321225013.

It is not a de Polignac number, because 31052212345 - 2³ = 31052212337 is a prime.

It is a Duffinian 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, 106902 + ... + 271168.

It is an arithmetic number, because the mean of its divisors is an integer number (1454757408).

Almost surely, 2^31052212345 is an apocalyptic number.

31052212345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31052212345 is a deficient number, since it is larger than the sum of its proper divisors (15500024711).

31052212345 is a wasteful number, since it uses less digits than its factorization.

31052212345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164781.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 31052212345 its reverse (54321225013), we get a palindrome (85373437358).

The spelling of 31052212345 in words is "thirty-one billion, fifty-two million, two hundred twelve thousand, three hundred forty-five".