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1031030130131 = 2114886398721
BaseRepresentation
bin11110000000011100010…
…11110100010111010011
310122120021021002100201222
433000032023310113103
5113343022203131011
62105352041515255
7134326613335511
oct17001613642723
93576237070658
101031030130131
113682916a1a41
121479a1aa2b2b
13762c1bba0a1
1437c8b6034b1
151bc45a23ddb
hexf00e2f45d3

1031030130131 has 4 divisors (see below), whose sum is σ = 1035916529064. Its totient is φ = 1026143731200.

The previous prime is 1031030130121. The next prime is 1031030130197. The reversal of 1031030130131 is 1310310301301.

1031030130131 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031030130131 is a prime.

It is a super-2 number, since 2×10310301301312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031030130121) 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, 2443199150 + ... + 2443199571.

It is an arithmetic number, because the mean of its divisors is an integer number (258979132266).

Almost surely, 21031030130131 is an apocalyptic number.

1031030130131 is a deficient number, since it is larger than the sum of its proper divisors (4886398933).

1031030130131 is an equidigital number, since it uses as much as digits as its factorization.

1031030130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886398932.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1031030130131 its reverse (1310310301301), we get a palindrome (2341340431432).

The spelling of 1031030130131 in words is "one trillion, thirty-one billion, thirty million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 211 4886398721 1031030130131