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103222312431 = 3733760724029
BaseRepresentation
bin110000000100010000…
…1110111110111101111
3100212102201222202220120
41200020201313313233
53142344402444211
6115230352220023
710312642115250
oct1401041676757
9325381882816
10103222312431
113a85a339127
1218008b3a613
1399702910a4
144dd2db6b27
152a42093d06
hex1808877def

103222312431 has 32 divisors (see below), whose sum is σ = 158024355840. Its totient is φ = 58709822976.

The previous prime is 103222312357. The next prime is 103222312433. The reversal of 103222312431 is 134213222301.

It is not a de Polignac number, because 103222312431 - 213 = 103222304239 is a prime.

It is a super-2 number, since 2×1032223124312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103222312433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4283725 + ... + 4307753.

It is an arithmetic number, because the mean of its divisors is an integer number (4938261120).

Almost surely, 2103222312431 is an apocalyptic number.

103222312431 is a deficient number, since it is larger than the sum of its proper divisors (54802043409).

103222312431 is a wasteful number, since it uses less digits than its factorization.

103222312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24983.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 103222312431 its reverse (134213222301), we get a palindrome (237435534732).

The spelling of 103222312431 in words is "one hundred three billion, two hundred twenty-two million, three hundred twelve thousand, four hundred thirty-one".

Divisors: 1 3 7 21 337 607 1011 1821 2359 4249 7077 12747 24029 72087 168203 204559 504609 613677 1431913 4295739 8097773 14585603 24293319 43756809 56684411 102099221 170053233 306297663 4915348211 14746044633 34407437477 103222312431