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131433102042 = 231110144943913
BaseRepresentation
bin111101001101000000…
…1011111101011011010
3110120020210120101001020
41322122001133223122
54123133333231132
6140213551303310
712332014635264
oct1723201375332
9416223511036
10131433102042
1150816617990
122158081ab36
13c517a731c8
14650b956b34
153643a9652c
hex1e9a05fada

131433102042 has 64 divisors (see below), whose sum is σ = 290253974400. Its totient is φ = 39345152000.

The previous prime is 131433102029. The next prime is 131433102049. The reversal of 131433102042 is 240201334131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131433102049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2971078 + ... + 3014990.

It is an arithmetic number, because the mean of its divisors is an integer number (4535218350).

Almost surely, 2131433102042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131433102042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145126987200).

131433102042 is an abundant number, since it is smaller than the sum of its proper divisors (158820872358).

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

131433102042 is a wasteful number, since it uses less digits than its factorization.

131433102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44479.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131433102042 its reverse (240201334131), we get a palindrome (371634436173).

The spelling of 131433102042 in words is "one hundred thirty-one billion, four hundred thirty-three million, one hundred two thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 449 606 898 1111 1347 2222 2694 3333 4939 6666 9878 14817 29634 43913 45349 87826 90698 131739 136047 263478 272094 483043 498839 966086 997678 1449129 1496517 2898258 2993034 4435213 8870426 13305639 19716937 26611278 39433874 48787343 59150811 97574686 118301622 146362029 216886307 292724058 433772614 650658921 1301317842 1991410637 3982821274 5974231911 11948463822 21905517007 43811034014 65716551021 131433102042