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2131114310031 = 37101481633811
BaseRepresentation
bin11111000000110000010…
…011111011100110001111
321112201210000112220120210
4133000300103323212033
5234404010230410111
64311004223413503
7306652666515510
oct37006023734617
97481700486523
102131114310031
117518895195a3
122a5035a54293
13125c6a25a145
1475209d40a07
153a67daa20a6
hex1f0304fb98f

2131114310031 has 8 divisors (see below), whose sum is σ = 3247412281984. Its totient is φ = 1217779605720.

The previous prime is 2131114309963. The next prime is 2131114310041. The reversal of 2131114310031 is 1300134111312.

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

It is not a de Polignac number, because 2131114310031 - 210 = 2131114309007 is a prime.

It is a super-2 number, since 2×21311143100312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 101481633811 = 2131114310031 / (2 + 1 + 3 + 1 + 1 + 1 + 4 + 3 + 1 + 0 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131114310041) 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, 50740816885 + ... + 50740816926.

It is an arithmetic number, because the mean of its divisors is an integer number (405926535248).

Almost surely, 22131114310031 is an apocalyptic number.

2131114310031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2131114310031 is a deficient number, since it is larger than the sum of its proper divisors (1116297971953).

2131114310031 is a wasteful number, since it uses less digits than its factorization.

2131114310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101481633821.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2131114310031 its reverse (1300134111312), we get a palindrome (3431248421343).

The spelling of 2131114310031 in words is "two trillion, one hundred thirty-one billion, one hundred fourteen million, three hundred ten thousand, thirty-one".

Divisors: 1 3 7 21 101481633811 304444901433 710371436677 2131114310031