100678354831 has 4 divisors (see below), whose sum is σ = 100681829464. Its totient is φ = 100674880200.

The previous prime is 100678354817. The next prime is 100678354837. The reversal of 100678354831 is 138453876001.

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

It is a cyclic number.

It is not a de Polignac number, because 100678354831 - 2²¹ = 100676257679 is a prime.

It is a super-2 number, since 2×100678354831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100678354837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693485 + ... + 1751926.

It is an arithmetic number, because the mean of its divisors is an integer number (25170457366).

Almost surely, 2^100678354831 is an apocalyptic number.

100678354831 is a deficient number, since it is larger than the sum of its proper divisors (3474633).

100678354831 is an equidigital number, since it uses as much as digits as its factorization.

100678354831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474632.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 100678354831 in words is "one hundred billion, six hundred seventy-eight million, three hundred fifty-four thousand, eight hundred thirty-one".