151031213506 has 16 divisors (see below), whose sum is σ = 227976973344. Its totient is φ = 75039053184.

The previous prime is 151031213497. The next prime is 151031213533. The reversal of 151031213506 is 605312130151.

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 7 ways as a sum of consecutive naturals, for example, 1954945 + ... + 2030731.

It is an arithmetic number, because the mean of its divisors is an integer number (14248560834).

Almost surely, 2^151031213506 is an apocalyptic number.

151031213506 is a deficient number, since it is larger than the sum of its proper divisors (76945759838).

151031213506 is a wasteful number, since it uses less digits than its factorization.

151031213506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82065.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 151031213506 its reverse (605312130151), we get a palindrome (756343343657).

The spelling of 151031213506 in words is "one hundred fifty-one billion, thirty-one million, two hundred thirteen thousand, five hundred six".