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3131102411101 = 72232005831141
BaseRepresentation
bin101101100100000100001…
…111110011100101011101
3102002022220220120210210201
4231210010033303211131
5402244444204123401
610354224131103501
7442133431236010
oct55440417634535
912068826523721
103131102411101
11aa7990757665
124269b3a41b91
13199352c1a9a2
14ab79096b377
15566a9267b01
hex2d9043f395d

3131102411101 has 8 divisors (see below), whose sum is σ = 3594449406464. Its totient is φ = 2671767078480.

The previous prime is 3131102411029. The next prime is 3131102411159. The reversal of 3131102411101 is 1011142011313.

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

It is a cyclic number.

It is not a de Polignac number, because 3131102411101 - 221 = 3131100313949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131102417101) 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, 1002914010 + ... + 1002917131.

It is an arithmetic number, because the mean of its divisors is an integer number (449306175808).

Almost surely, 23131102411101 is an apocalyptic number.

It is an amenable number.

3131102411101 is a deficient number, since it is larger than the sum of its proper divisors (463346995363).

3131102411101 is a wasteful number, since it uses less digits than its factorization.

3131102411101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005831371.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 3131102411101 its reverse (1011142011313), we get a palindrome (4142244422414).

The spelling of 3131102411101 in words is "three trillion, one hundred thirty-one billion, one hundred two million, four hundred eleven thousand, one hundred one".

Divisors: 1 7 223 1561 2005831141 14040817987 447300344443 3131102411101