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31055244132501 = 323450582681389
BaseRepresentation
bin1110000111110100111001…
…10010111000000010010101
311001221212000100200212222200
413003322130302320002111
513032302114444220001
6150014325431115113
76353444620462101
oct703723462700225
9131855010625880
1031055244132501
1199935007823a6
12359686a512a99
13144365ca73194
147951207b4901
1538cc414b2086
hex1c3e9ccb8095

31055244132501 has 6 divisors (see below), whose sum is σ = 44857574858070. Its totient is φ = 20703496088328.

The previous prime is 31055244132499. The next prime is 31055244132511. The reversal of 31055244132501 is 10523144255013.

31055244132501 is a `hidden beast` number, since 3 + 1 + 0 + 552 + 44 + 13 + 2 + 50 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29162170840401 + 1893073292100 = 5400201^2 + 1375890^2 .

It is not a de Polignac number, because 31055244132501 - 21 = 31055244132499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31055244132511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1725291340686 + ... + 1725291340703.

It is an arithmetic number, because the mean of its divisors is an integer number (7476262476345).

Almost surely, 231055244132501 is an apocalyptic number.

It is an amenable number.

31055244132501 is a deficient number, since it is larger than the sum of its proper divisors (13802330725569).

31055244132501 is a wasteful number, since it uses less digits than its factorization.

31055244132501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450582681395 (or 3450582681392 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 31055244132501 its reverse (10523144255013), we get a palindrome (41578388387514).

The spelling of 31055244132501 in words is "thirty-one trillion, fifty-five billion, two hundred forty-four million, one hundred thirty-two thousand, five hundred one".

Divisors: 1 3 9 3450582681389 10351748044167 31055244132501