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131045737831 is a prime number
BaseRepresentation
bin111101000001011101…
…1110100010101100111
3110112020210200020020121
41322002323310111213
54121340202102311
6140111312542411
712316302251461
oct1720273642547
9415223606217
10131045737831
11506379a2478
1221492b51a07
13c485737108
1464b2321131
15361ea7bb71
hex1e82ef4567

131045737831 has 2 divisors, whose sum is σ = 131045737832. Its totient is φ = 131045737830.

The previous prime is 131045737811. The next prime is 131045737847. The reversal of 131045737831 is 138737540131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131045737831 - 225 = 131012183399 is a prime.

It is a super-2 number, since 2×1310457378312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131045737811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65522868915 + 65522868916.

It is an arithmetic number, because the mean of its divisors is an integer number (65522868916).

Almost surely, 2131045737831 is an apocalyptic number.

131045737831 is a deficient number, since it is larger than the sum of its proper divisors (1).

131045737831 is an equidigital number, since it uses as much as digits as its factorization.

131045737831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 131045737831 in words is "one hundred thirty-one billion, forty-five million, seven hundred thirty-seven thousand, eight hundred thirty-one".