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120230132131 = 274441438091
BaseRepresentation
bin110111111111001000…
…1100011100110100011
3102111100001012112102201
41233332101203212203
53432212403212011
6131122152554031
711454262155364
oct1577621434643
9374301175381
10120230132131
1146a9785886a
121b3749b2917
13b450a91825
145b67b2db6b
1531da2b2cc1
hex1bfe4639a3

120230132131 has 4 divisors (see below), whose sum is σ = 120230844664. Its totient is φ = 120229419600.

The previous prime is 120230132059. The next prime is 120230132149. The reversal of 120230132131 is 131231032021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120230132131 is a prime.

It is a super-2 number, since 2×1202301321312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120230132099 and 120230132108.

It is not an unprimeable number, because it can be changed into a prime (120230132431) 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, 55396 + ... + 493486.

It is an arithmetic number, because the mean of its divisors is an integer number (30057711166).

Almost surely, 2120230132131 is an apocalyptic number.

120230132131 is a deficient number, since it is larger than the sum of its proper divisors (712533).

120230132131 is an equidigital number, since it uses as much as digits as its factorization.

120230132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712532.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120230132131 its reverse (131231032021), we get a palindrome (251461164152).

The spelling of 120230132131 in words is "one hundred twenty billion, two hundred thirty million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 274441 438091 120230132131