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131060415031 = 7132196165581
BaseRepresentation
bin111101000001111001…
…1110011101000110111
3110112021211021220120121
41322003303303220313
54121402431240111
6140112555312411
712316541101240
oct1720363635067
9415254256517
10131060415031
1150645207697
1221497a4b707
13c4887a5850
1464b4261cc7
153620eca871
hex1e83cf3a37

131060415031 has 16 divisors (see below), whose sum is σ = 161314931008. Its totient is φ = 103689849600.

The previous prime is 131060415019. The next prime is 131060415041. The reversal of 131060415031 is 130514060131.

It is a cyclic number.

It is not a de Polignac number, because 131060415031 - 223 = 131052026423 is a prime.

It is a super-2 number, since 2×1310604150312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131060414987 and 131060415005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131060415041) 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, 1965661 + ... + 2031241.

It is an arithmetic number, because the mean of its divisors is an integer number (10082183188).

Almost surely, 2131060415031 is an apocalyptic number.

131060415031 is a deficient number, since it is larger than the sum of its proper divisors (30254515977).

131060415031 is a wasteful number, since it uses less digits than its factorization.

131060415031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87562.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 131060415031 its reverse (130514060131), we get a palindrome (261574475162).

The spelling of 131060415031 in words is "one hundred thirty-one billion, sixty million, four hundred fifteen thousand, thirty-one".

Divisors: 1 7 13 91 21961 65581 153727 285493 459067 852553 1998451 5967871 1440224341 10081570387 18722916433 131060415031