Search a number
-
+
2331012121001 = 232772831292857
BaseRepresentation
bin100001111010111011001…
…001100100000110101001
322020211202020112212002022
4201322323021210012221
5301142403100333001
64542504023314225
7330260440052354
oct41727311440651
98224666485068
102331012121001
11819638633653
123179232ab975
1313ba7634a325
1480b7062129b
154097d08d11b
hex21ebb2641a9

2331012121001 has 16 divisors (see below), whose sum is σ = 2449769395584. Its totient is φ = 2213762500224.

The previous prime is 2331012120989. The next prime is 2331012121013. The reversal of 2331012121001 is 1001212101332.

It is an interprime number because it is at equal distance from previous prime (2331012120989) and next prime (2331012121013).

It is a de Polignac number, because none of the positive numbers 2k-2331012121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331012121301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156565 + ... + 2449421.

It is an arithmetic number, because the mean of its divisors is an integer number (153110587224).

Almost surely, 22331012121001 is an apocalyptic number.

It is an amenable number.

2331012121001 is a deficient number, since it is larger than the sum of its proper divisors (118757274583).

2331012121001 is a wasteful number, since it uses less digits than its factorization.

2331012121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293440.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2331012121001 its reverse (1001212101332), we get a palindrome (3332224222333).

The spelling of 2331012121001 in words is "two trillion, three hundred thirty-one billion, twelve million, one hundred twenty-one thousand, one".

Divisors: 1 23 277 283 6371 6509 78391 1292857 1802993 29735711 358121389 365878531 8236791947 8415206213 101348353087 2331012121001