42031213344100 has 36 divisors (see below), whose sum is σ = 91213905936384. Its totient is φ = 16811347461280.

The previous prime is 42031213344017. The next prime is 42031213344121. The reversal of 42031213344100 is 144331213024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12737764 + ... + 15694363.

It is an arithmetic number, because the mean of its divisors is an integer number (2533719609344).

Almost surely, 2^{42031213344100} is an apocalyptic number.

It is an amenable number.

42031213344100 is an abundant number, since it is smaller than the sum of its proper divisors (49182692592284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42031213344100 is a wasteful number, since it uses less digits than its factorization.

42031213344100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28446924 (or 28446917 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42031213344100 its reverse (144331213024), we get a palindrome (42175544557124).

The spelling of 42031213344100 in words is "forty-two trillion, thirty-one billion, two hundred thirteen million, three hundred forty-four thousand, one hundred".