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131013022033 = 904031449211
BaseRepresentation
bin111101000000011111…
…1000001000101010001
3110112011112010002121101
41322000333001011101
54121303313201113
6140104143424401
712315424212235
oct1720077010521
9415145102541
10131013022033
1150620487623
1221483bb5101
13c47ba20c5a
1464abc465c5
15361bc682dd
hex1e80fc1151

131013022033 has 4 divisors (see below), whose sum is σ = 131014561648. Its totient is φ = 131011482420.

The previous prime is 131013021959. The next prime is 131013022039. The reversal of 131013022033 is 330220310131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330220310131 = 595596954409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131013022033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131013022033.

It is not an unprimeable number, because it can be changed into a prime (131013022039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634203 + ... + 815008.

It is an arithmetic number, because the mean of its divisors is an integer number (32753640412).

Almost surely, 2131013022033 is an apocalyptic number.

It is an amenable number.

131013022033 is a deficient number, since it is larger than the sum of its proper divisors (1539615).

131013022033 is an equidigital number, since it uses as much as digits as its factorization.

131013022033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539614.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131013022033 its reverse (330220310131), we get a palindrome (461233332164).

The spelling of 131013022033 in words is "one hundred thirty-one billion, thirteen million, twenty-two thousand, thirty-three".

Divisors: 1 90403 1449211 131013022033