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131013500253 = 381153848541
BaseRepresentation
bin111101000000100000…
…0110101110101011101
3110112011120000101121020
41322001000311311131
54121303424002003
6140104201554353
712315431243406
oct1720100656535
9415146011536
10131013500253
1150620783949
12214841a59b9
13c47bb5a81c
1464abd2c9ad
15361bd0ed53
hex1e81035d5d

131013500253 has 8 divisors (see below), whose sum is σ = 174900064416. Its totient is φ = 87234634800.

The previous prime is 131013500251. The next prime is 131013500323. The reversal of 131013500253 is 352005310131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131013500253 - 21 = 131013500251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013500251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26921838 + ... + 26926703.

It is an arithmetic number, because the mean of its divisors is an integer number (21862508052).

Almost surely, 2131013500253 is an apocalyptic number.

It is an amenable number.

131013500253 is a deficient number, since it is larger than the sum of its proper divisors (43886564163).

131013500253 is an equidigital number, since it uses as much as digits as its factorization.

131013500253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53849355.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 131013500253 its reverse (352005310131), we get a palindrome (483018810384).

The spelling of 131013500253 in words is "one hundred thirty-one billion, thirteen million, five hundred thousand, two hundred fifty-three".

Divisors: 1 3 811 2433 53848541 161545623 43671166751 131013500253