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131130022031 is a prime number
BaseRepresentation
bin111101000011111110…
…1010101100010001111
3110112110200021022102122
41322013331111202033
54122023241201111
6140123523243155
712321344540141
oct1720775254217
9415420238378
10131130022031
115068052a438
12214b72194bb
13c49a037518
1464bd5c0c91
153627179cdb
hex1e87f5588f

131130022031 has 2 divisors, whose sum is σ = 131130022032. Its totient is φ = 131130022030.

The previous prime is 131130022007. The next prime is 131130022039. The reversal of 131130022031 is 130220031131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131130022031 - 234 = 113950152847 is a prime.

It is a super-2 number, since 2×1311300220312 (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 (131130022039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565011015 + 65565011016.

It is an arithmetic number, because the mean of its divisors is an integer number (65565011016).

Almost surely, 2131130022031 is an apocalyptic number.

131130022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

131130022031 is an equidigital number, since it uses as much as digits as its factorization.

131130022031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131130022031 its reverse (130220031131), we get a palindrome (261350053162).

It can be divided in two parts, 1311300 and 22031, that added together give a palindrome (1333331).

The spelling of 131130022031 in words is "one hundred thirty-one billion, one hundred thirty million, twenty-two thousand, thirty-one".