131001100023442 has 64 divisors (see below), whose sum is σ = 217017445252608. Its totient is φ = 59303490048000.

The previous prime is 131001100023413. The next prime is 131001100023461. The reversal of 131001100023442 is 244320001100131.

It is a super-2 number, since 2×131001100023442² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4695197692 + ... + 4695225592.

It is an arithmetic number, because the mean of its divisors is an integer number (3390897582072).

Almost surely, 2^{131001100023442} is an apocalyptic number.

131001100023442 is a deficient number, since it is larger than the sum of its proper divisors (86016345229166).

131001100023442 is a wasteful number, since it uses less digits than its factorization.

131001100023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35056 (or 35034 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131001100023442 its reverse (244320001100131), we get a palindrome (375321101123573).

The spelling of 131001100023442 in words is "one hundred thirty-one trillion, one billion, one hundred million, twenty-three thousand, four hundred forty-two".