31540110214 has 4 divisors (see below), whose sum is σ = 47310165324. Its totient is φ = 15770055106.

The previous prime is 31540110169. The next prime is 31540110227. The reversal of 31540110214 is 41201104513.

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

It is a super-2 number, since 2×31540110214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7885027552 + ... + 7885027555.

It is an arithmetic number, because the mean of its divisors is an integer number (11827541331).

Almost surely, 2^31540110214 is an apocalyptic number.

31540110214 is a deficient number, since it is larger than the sum of its proper divisors (15770055110).

31540110214 is a wasteful number, since it uses less digits than its factorization.

31540110214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770055109.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 31540110214 its reverse (41201104513), we get a palindrome (72741214727).

The spelling of 31540110214 in words is "thirty-one billion, five hundred forty million, one hundred ten thousand, two hundred fourteen".