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131022112133 = 1122391951229
BaseRepresentation
bin111101000000110000…
…1101100010110000101
3110112012011012220212202
41322001201230112011
54121313130042013
6140105110324245
712315564402053
oct1720141542605
9415164186782
10131022112133
1150625626100
1221487059685
13c480884603
1464ad1311d3
15361c961858
hex1e8186c585

131022112133 has 24 divisors (see below), whose sum is σ = 150444067200. Its totient is φ = 113806075680.

The previous prime is 131022112129. The next prime is 131022112223. The reversal of 131022112133 is 331211220131.

It is a happy number.

It is not a de Polignac number, because 131022112133 - 22 = 131022112129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022111133) 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, 2531963 + ... + 2583191.

It is an arithmetic number, because the mean of its divisors is an integer number (6268502800).

Almost surely, 2131022112133 is an apocalyptic number.

It is an amenable number.

131022112133 is a deficient number, since it is larger than the sum of its proper divisors (19421955067).

131022112133 is a wasteful number, since it uses less digits than its factorization.

131022112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52193 (or 52182 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131022112133 its reverse (331211220131), we get a palindrome (462233332264).

The spelling of 131022112133 in words is "one hundred thirty-one billion, twenty-two million, one hundred twelve thousand, one hundred thirty-three".

Divisors: 1 11 23 121 253 919 2783 10109 21137 51229 111199 232507 563519 1178267 2557577 6198709 12960937 47079451 142570307 517873961 1082827373 5696613571 11911101103 131022112133