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131000400342331 = 1321953114590217
BaseRepresentation
bin11101110010010011101000…
…010100111110110100111011
3122011211111221010202012200121
4131302103220110332310323
5114132302304441423311
61142340430401114111
736410316020256352
oct3562235024766473
9564744833665617
10131000400342331
1138816a59902253
1212838909028937
135813391782080
14244c64b858999
15102294b03eb71
hex7724e853ed3b

131000400342331 has 8 divisors (see below), whose sum is σ = 141077449212224. Its totient is φ = 120923365043520.

The previous prime is 131000400342319. The next prime is 131000400342341. The reversal of 131000400342331 is 133243004000131.

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

It is not a de Polignac number, because 131000400342331 - 211 = 131000400340283 is a prime.

It is a super-2 number, since 2×1310004003423312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131000400342296 and 131000400342305.

It is not an unprimeable number, because it can be changed into a prime (131000400342341) 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, 26243935 + ... + 30834151.

It is an arithmetic number, because the mean of its divisors is an integer number (17634681151528).

Almost surely, 2131000400342331 is an apocalyptic number.

131000400342331 is a deficient number, since it is larger than the sum of its proper divisors (10077048869893).

131000400342331 is a wasteful number, since it uses less digits than its factorization.

131000400342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785541.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131000400342331 its reverse (133243004000131), we get a palindrome (264243404342462).

The spelling of 131000400342331 in words is "one hundred thirty-one trillion, four hundred million, three hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 13 2195311 4590217 28539043 59672821 10076953872487 131000400342331