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131001353 = 7223116239
BaseRepresentation
bin1111100111011…
…10110000001001
3100010111120001222
413303232300021
5232014020403
620555451425
73150331100
oct763566011
9303446058
10131001353
1167a4628a
1237a56b75
13211a94c2
1413581037
15b77a338
hex7ceec09

131001353 has 12 divisors (see below), whose sum is σ = 159016320. Its totient is φ = 107403912.

The previous prime is 131001331. The next prime is 131001359. The reversal of 131001353 is 353100131.

It is not a de Polignac number, because 131001353 - 26 = 131001289 is a prime.

It is a super-2 number, since 2×1310013532 = 34322708975661218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56993 + ... + 59246.

It is an arithmetic number, because the mean of its divisors is an integer number (13251360).

Almost surely, 2131001353 is an apocalyptic number.

It is an amenable number.

131001353 is a deficient number, since it is larger than the sum of its proper divisors (28014967).

131001353 is a wasteful number, since it uses less digits than its factorization.

131001353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116276 (or 116269 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 131001353 is about 11445.5822481864. The cubic root of 131001353 is about 507.8770562940.

Adding to 131001353 its reverse (353100131), we get a palindrome (484101484).

The spelling of 131001353 in words is "one hundred thirty-one million, one thousand, three hundred fifty-three".

Divisors: 1 7 23 49 161 1127 116239 813673 2673497 5695711 18714479 131001353