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131010220001 = 1512574677229
BaseRepresentation
bin111101000000011010…
…0010100111111100001
3110112011022211201221102
41322000310110333201
54121302104020001
6140104003404145
712315361332113
oct1720064247741
9415138751842
10131010220001
11506199433a1
1221483083655
13c47b27c74b
1464ab7173b3
15361b8b2e6b
hex1e80d14fe1

131010220001 has 16 divisors (see below), whose sum is σ = 132692826240. Its totient is φ = 129340723200.

The previous prime is 131010219973. The next prime is 131010220043. The reversal of 131010220001 is 100022010131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131010220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131010220051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18119255 + ... + 18126483.

It is an arithmetic number, because the mean of its divisors is an integer number (8293301640).

Almost surely, 2131010220001 is an apocalyptic number.

It is an amenable number.

131010220001 is a deficient number, since it is larger than the sum of its proper divisors (1682606239).

131010220001 is a wasteful number, since it uses less digits than its factorization.

131010220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8104.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 131010220001 its reverse (100022010131), we get a palindrome (231032230132).

The spelling of 131010220001 in words is "one hundred thirty-one billion, ten million, two hundred twenty thousand, one".

Divisors: 1 151 257 467 7229 38807 70517 120019 1091579 1857853 3375943 18122869 280535803 509767393 867617351 131010220001