31867981125106 has 16 divisors (see below), whose sum is σ = 55793182761216. Its totient is φ = 13367116702656.

The previous prime is 31867981125077. The next prime is 31867981125121. The reversal of 31867981125106 is 60152118976813.

It is a super-2 number, since 2×31867981125106² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24215790471 + ... + 24215791786.

It is an arithmetic number, because the mean of its divisors is an integer number (3487073922576).

Almost surely, 2^{31867981125106} is an apocalyptic number.

31867981125106 is a deficient number, since it is larger than the sum of its proper divisors (23925201636110).

31867981125106 is a wasteful number, since it uses less digits than its factorization.

31867981125106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48431582313.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 31867981125106 in words is "thirty-one trillion, eight hundred sixty-seven billion, nine hundred eighty-one million, one hundred twenty-five thousand, one hundred six".