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1013131022 = 2506565511
BaseRepresentation
bin111100011000110…
…010011100001110
32121121101101111012
4330120302130032
54033330143042
6244310525222
734051320521
oct7430623416
92547341435
101013131022
1147a982372
12243366812
13131b86c17
14987a8bb8
155de26e82
hex3c63270e

1013131022 has 4 divisors (see below), whose sum is σ = 1519696536. Its totient is φ = 506565510.

The previous prime is 1013130971. The next prime is 1013131073. The reversal of 1013131022 is 2201313101.

Adding to 1013131022 its reverse (2201313101), we get a palindrome (3214444123).

1013131022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201313101 = 13169331777.

It is an interprime number because it is at equal distance from previous prime (1013130971) and next prime (1013131073).

It is a junction number, because it is equal to n+sod(n) for n = 1013130988 and 1013131006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253282754 + ... + 253282757.

It is an arithmetic number, because the mean of its divisors is an integer number (379924134).

Almost surely, 21013131022 is an apocalyptic number.

1013131022 is a deficient number, since it is larger than the sum of its proper divisors (506565514).

1013131022 is an equidigital number, since it uses as much as digits as its factorization.

1013131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506565513.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1013131022 is about 31829.7191630715. The cubic root of 1013131022 is about 1004.3579876876.

The spelling of 1013131022 in words is "one billion, thirteen million, one hundred thirty-one thousand, twenty-two".

Divisors: 1 2 506565511 1013131022