131000204022442 has 16 divisors (see below), whose sum is σ = 211658113654272. Its totient is φ = 60631230472560.

The previous prime is 131000204022409. The next prime is 131000204022469. The reversal of 131000204022442 is 244220402000131.

It is a super-2 number, since 2×131000204022442² (a number of 29 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, 45932748933 + ... + 45932751784.

It is an arithmetic number, because the mean of its divisors is an integer number (13228632103392).

Almost surely, 2^{131000204022442} is an apocalyptic number.

131000204022442 is a deficient number, since it is larger than the sum of its proper divisors (80657909631830).

131000204022442 is a wasteful number, since it uses less digits than its factorization.

131000204022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91865500773.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 131000204022442 its reverse (244220402000131), we get a palindrome (375220606022573).

The spelling of 131000204022442 in words is "one hundred thirty-one trillion, two hundred four million, twenty-two thousand, four hundred forty-two".