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32131312401311 = 61526742826251
BaseRepresentation
bin1110100111001001001110…
…11101100011101110011111
311012202201112101222202012222
413103210213131203232133
513202414411433320221
6152200530544415555
76524260606032434
oct723444735435637
9135681471882188
1032131312401311
11a2688a4209552
12372b31b6175bb
1314c0c7b735966
147d1241733b8b
153aac20e599ab
hex1d3927763b9f

32131312401311 has 4 divisors (see below), whose sum is σ = 32658055227624. Its totient is φ = 31604569575000.

The previous prime is 32131312401277. The next prime is 32131312401319. The reversal of 32131312401311 is 11310421313123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32131312401311 - 26 = 32131312401247 is a prime.

It is a super-2 number, since 2×321313124013112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131312401319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263371413065 + ... + 263371413186.

It is an arithmetic number, because the mean of its divisors is an integer number (8164513806906).

Almost surely, 232131312401311 is an apocalyptic number.

32131312401311 is a deficient number, since it is larger than the sum of its proper divisors (526742826313).

32131312401311 is an equidigital number, since it uses as much as digits as its factorization.

32131312401311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526742826312.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 32131312401311 its reverse (11310421313123), we get a palindrome (43441733714434).

The spelling of 32131312401311 in words is "thirty-two trillion, one hundred thirty-one billion, three hundred twelve million, four hundred one thousand, three hundred eleven".

Divisors: 1 61 526742826251 32131312401311