31350113511 has 8 divisors (see below), whose sum is σ = 41982685680. Its totient is φ = 20808808512.

The previous prime is 31350113489. The next prime is 31350113519. The reversal of 31350113511 is 11531105313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31350113511 - 2¹⁴ = 31350097127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350113519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22815990 + ... + 22817363.

It is an arithmetic number, because the mean of its divisors is an integer number (5247835710).

Almost surely, 2^31350113511 is an apocalyptic number.

31350113511 is a deficient number, since it is larger than the sum of its proper divisors (10632572169).

31350113511 is a wasteful number, since it uses less digits than its factorization.

31350113511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45633585.

The product of its (nonzero) digits is 675, while the sum is 24.

Adding to 31350113511 its reverse (11531105313), we get a palindrome (42881218824).

The spelling of 31350113511 in words is "thirty-one billion, three hundred fifty million, one hundred thirteen thousand, five hundred eleven".