Search a number
-
+
31360631301 = 334327011741
BaseRepresentation
bin11101001101001111…
…010100001000000101
32222221120120010122000
4131031033110020011
51003211310200201
622223515055513
72160100652646
oct351517241005
988846503560
1031360631301
111233329350a
1260b2741599
132c5a23b48c
14173702d6cd
15c382e3d86
hex74d3d4205

31360631301 has 16 divisors (see below), whose sum is σ = 47540665920. Its totient is φ = 20420875440.

The previous prime is 31360631213. The next prime is 31360631333. The reversal of 31360631301 is 10313606313.

It is not a de Polignac number, because 31360631301 - 29 = 31360630789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31360731301) 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, 13504710 + ... + 13507031.

It is an arithmetic number, because the mean of its divisors is an integer number (2971291620).

Almost surely, 231360631301 is an apocalyptic number.

It is an amenable number.

31360631301 is a deficient number, since it is larger than the sum of its proper divisors (16180034619).

31360631301 is a wasteful number, since it uses less digits than its factorization.

31360631301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27011793 (or 27011787 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 31360631301 in words is "thirty-one billion, three hundred sixty million, six hundred thirty-one thousand, three hundred one".

Divisors: 1 3 9 27 43 129 387 1161 27011741 81035223 243105669 729317007 1161504863 3484514589 10453543767 31360631301