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131142422233441 = 3725431393782851
BaseRepresentation
bin11101110100010111111001…
…011111100000000101100001
3122012100002111212222210121201
4131310113321133200011201
5114142114140042432231
61142525555211121201
736423504322364053
oct3564277137400541
9565302455883551
10131142422233441
1138871209525083
1212860343a43201
1358238a61b4528
1424554817dd8d3
1510264ae4ea161
hex7745f97e0161

131142422233441 has 8 divisors (see below), whose sum is σ = 134739775868544. Its totient is φ = 127547856169200.

The previous prime is 131142422233429. The next prime is 131142422233481. The reversal of 131142422233441 is 144332224241131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131142422233441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131142422233441.

It is not an unprimeable number, because it can be changed into a prime (131142422233481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696797335 + ... + 696985516.

It is an arithmetic number, because the mean of its divisors is an integer number (16842471983568).

Almost surely, 2131142422233441 is an apocalyptic number.

It is an amenable number.

131142422233441 is a deficient number, since it is larger than the sum of its proper divisors (3597353635103).

131142422233441 is a wasteful number, since it uses less digits than its factorization.

131142422233441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393785431.

The product of its digits is 110592, while the sum is 37.

Adding to 131142422233441 its reverse (144332224241131), we get a palindrome (275474646474572).

The spelling of 131142422233441 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 37 2543 94091 1393782851 51569965487 3544389790093 131142422233441