42421213102131 has 24 divisors (see below), whose sum is σ = 64597482153984. Its totient is φ = 26786215540080.

The previous prime is 42421213102127. The next prime is 42421213102201. The reversal of 42421213102131 is 13120131212424.

42421213102131 is a `hidden beast` number, since 4 + 2 + 4 + 212 + 1 + 310 + 2 + 131 = 666.

It is not a de Polignac number, because 42421213102131 - 2² = 42421213102127 is a prime.

It is a super-2 number, since 2×42421213102131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42421213102095 and 42421213102104.

It is not an unprimeable number, because it can be changed into a prime (42421213102831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1617511981 + ... + 1617538206.

It is an arithmetic number, because the mean of its divisors is an integer number (2691561756416).

Almost surely, 2^{42421213102131} is an apocalyptic number.

42421213102131 is a deficient number, since it is larger than the sum of its proper divisors (22176269051853).

42421213102131 is a wasteful number, since it uses less digits than its factorization.

42421213102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235050271 (or 3235050268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 42421213102131 its reverse (13120131212424), we get a palindrome (55541344314555).

The spelling of 42421213102131 in words is "forty-two trillion, four hundred twenty-one billion, two hundred thirteen million, one hundred two thousand, one hundred thirty-one".